diff --git a/dist/moon.js b/dist/moon.js
index b066a71e..2c0b9c00 100644
--- a/dist/moon.js
+++ b/dist/moon.js
@@ -1530,6 +1530,12 @@
       }
     };
     
+    specialDirectives[Moon.config.prefix + "show"] = {
+      duringPropGenerate: function (value, meta, vnode) {
+        return '"m-show": ' + compileTemplate(value, false) + ', ';
+      }
+    };
+    
     specialDirectives[Moon.config.prefix + "for"] = {
       afterGenerate: function (value, meta, code, vnode) {
         var parts = value.split(" in ");
@@ -1658,12 +1664,7 @@
     };
     
     directives[Moon.config.prefix + "show"] = function (el, val, vnode) {
-      var evaluated = new Function("return " + val);
-      if (!evaluated()) {
-        el.style.display = 'none';
-      } else {
-        el.style.display = 'block';
-      }
+      el.style.display = val ? '' : 'none';
     };
     
     directives[Moon.config.prefix + "mask"] = function (el, val, vnode) {};
diff --git a/dist/moon.min.js b/dist/moon.min.js
index 1d4f7d0e..0599ce3d 100644
--- a/dist/moon.min.js
+++ b/dist/moon.min.js
@@ -5,4 +5,4 @@
 * Free to use under the MIT license.
 * https://kingpixil.github.io/license
 */
-!function(e,t){"object"==typeof module&&module.exports?module.exports=t():e.Moon=t()}(this,function(){"use strict";function e(e){this.instance=e,this.cache={},this.signals={},this.dep={target:null,map:{}}}function t(t){this.$opts=t||{},this.$id=s++,this.$name=this.$opts.name||"root",this.$data=this.$opts.data||{},this.$render=this.$opts.render||S,this.$hooks=this.$opts.hooks||{},this.$methods=this.$opts.methods||{},this.$events={},this.$dom={},this.$observer=new e(this),this.$destroyed=!1,this.$initialRender=!0,this.$queued=!1,this.$opts.computed&&a(this,this.$opts.computed),this.init()}var r={},n={},o={},i={stop:"event.stopPropagation();",prevent:"event.preventDefault();",ctrl:"if(!event.ctrlKey) {return;};",shift:"if(!event.shiftKey) {return;};",alt:"if(!event.altKey) {return;};",enter:"if(event.keyCode !== 13) {return;};"},s=0,a=function(e,t){var r=function(r){e.$observer.observe(r);var n={get:function(){var n=null;return e.$observer.cache[r]?n=e.$observer.cache[r]:(e.$observer.dep.target=r,n=t[r].get.call(e),e.$observer.dep.target=null,e.$observer.cache[r]=n),n}};t[r].set&&(n.set=function(n){return t[r].set.call(e,n)}),Object.defineProperty(e.$data,r,n)};for(var n in t)r(n)};e.prototype.observe=function(e){var t=this;this.signals[e]=function(){t.cache[e]=null}},e.prototype.notify=function(e){if(this.dep.map[e])for(var t=0;t<this.dep.map[e].length;t++)this.notify(this.dep.map[e][t]);this.signals[e]&&this.signals[e]()};var p=function(e){t.config.silent||console.log(e)},c=function(e){console.error("[Moon] ERR: "+e)},u=function(e){e.$queued||e.$destroyed||(e.$queued=!0,setTimeout(function(){e.build(),w(e,"updated"),e.$queued=!1},0))},l=function(e){for(var t={},r=e.attributes,n=r.length;n--;)t[r[n].name]=r[n].value;return e.__moon__props__=t,t},f=function(){return{shouldRender:!0,eventListeners:{}}},h=function(e){var t=/\n/g,r=/"/g,n=/\\/g;return e.replace(n,"\\\\").replace(r,'\\"').replace(t,"\\n")},v=function(e,t,r,n){var o;r.replace(/\[(\w+)\]/g,function(e,t){r=r.replace(e,"."+t)});var i=r.split(".");for(o=0;o<i.length-1;o++){var s=i[o];t=t[s]}return t[i[o]]=n,i[0]},d=function(e,t){var r=/{{([A-Za-z0-9_$@]+)([A-Za-z0-9_.()'"+\-*\/\s\[\]]+)?}}/gi,n=e;return e.replace(r,function(e,r,o){o||(o=""),n=t?n.replace(e,'" + instance.get("'+r+'")'+o+' + "'):n.replace(e,'instance.get("'+r+'")'+o)}),n},m=function(e){var t={};if(!e)return t;var r="default";t[r]=[];for(var n=0;n<e.length;n++){var o=e[n],i=o.props.attrs;i.slot?(t[i.slot]?t[i.slot].push(o):t[i.slot]=[o],delete i.slot):t[r].push(o)}return t},y=function(e,t,r,n,o){return{type:e,val:t,props:r,children:n,meta:o||f()}},g=function(e,t,r,n,o){var i=o.opts.data||{};if(o.opts.props)for(var s=0;s<o.opts.props.length;s++){var a=o.opts.props[s];i[a]=t.attrs[a]}return o.opts.render($,{data:i,slots:m(n)})},$=function(e,t,r){for(var n=[],i=arguments.length-3,s=0;s<i;s++){var a=arguments[s+3];Array.isArray(a)?n=n.concat(a):"string"==typeof a||null===a?n.push(y("#text",a||"",{attrs:{}},[],f())):n.push(a)}if(o[e]){if(o[e].opts.functional)return g(e,t,r,n,o[e]);r.component=o[e]}return y(e,"",t,n,r)},_=function(e,t,r){var n=t.meta.eventListeners;for(var o in n)for(var i=0;i<n[o].length;i++){var s=n[o][i];e.addEventListener(o,s)}},b=function(e,t){var r;if("#text"===e.type)r=document.createTextNode(e.val);else{if(r=e.meta.isSVG?document.createElementNS("http://www.w3.org/2000/svg",e.type):document.createElement(e.type),1===e.children.length&&"#text"===e.children[0].type)r.textContent=e.children[0].val;else for(var n=0;n<e.children.length;n++){var o=e.children[n],i=b(e.children[n],t);r.appendChild(i),o.meta.component&&x(i,o,o.meta.component)}_(r,e,t)}return r.__moon__props__=C({},e.props.attrs),k(r,{},e,e.props.attrs),r.__moon__nodeName__=e.type,r},x=function(e,t,r){for(var n=new r.CTor,o=0;o<n.$props.length;o++){var i=n.$props[o];n.$data[i]=t.props.attrs[i]}return n.$slots=m(t.children),n.$el=e,n.build(),w(n,"mounted"),n.$el},k=function(e,t,n,o){var i=G(t,o),s=e instanceof SVGElement;for(var a in i)!o.hasOwnProperty(a)||r[a]?(r[a]&&r[a](e,i[a],n),s?e.removeAttributeNS(null,a):e.removeAttribute(a),delete e.__moon__props__[a]):t[a]&&t[a]===o[a]||(s?e.setAttributeNS(null,a,o[a]):e.setAttribute(a,o[a]),e.__moon__props__[a]=o[a]);if(n.props.dom)for(var p in n.props.dom){n.props.dom[p];e[p]!==n.props.dom[p]&&(e[p]=n.props.dom[p])}},A=function(e,t,r,n){var o;if(e&&(o=e.__moon__nodeName__||e.nodeName.toLowerCase()),!e&&t){var i=b(t,n);return r.appendChild(i),t.meta.component&&x(i,t,t.meta.component),i}if(t){if(o!==t.type){var i=b(t,n);return r.replaceChild(i,e),e.__moon__&&e.__moon__.destroy(),t.meta.component&&x(i,t,t.meta.component),i}if(t.meta.shouldRender&&"#text"===t.type&&"#text"===o&&t.val!==e.textContent)return e.textContent=t.val,e;if(t&&"#text"!==t.type&&t.meta.shouldRender){if(t.meta.component){if(e.__moon__){var s=e.__moon__,a=!1;for(var p in t.props.attrs)s.$data[p]!==t.props.attrs[p]&&(s.$data[p]=t.props.attrs[p],a=!0);t.children&&(s.$slots=m(t.children),a=!0),a&&s.build()}else x(e,t,t.meta.component);return e}var c=e.__moon__props__||l(e);if(k(e,c,t,t.props.attrs),n.$initialRender&&_(e,t,n),t.props.dom&&t.props.dom.innerHTML)return e;var u=e.firstChild;if(1===t.children.length&&"#text"===t.children[0].type&&u&&!u.nextSibling&&"#text"===u.nodeName)t.children[0].val!==u.textContent&&(u.textContent=t.children[0].val);else for(var f=0;f<t.children.length||u;f++){var h=u?u.nextSibling:null;A(u,t.children[f],e,n),u=h}return e}return e}return r.removeChild(e),e.__moon__&&e.__moon__.destroy(),null},C=function(e,t){for(var r in t)e[r]=t[r];return e},G=function(e,t){var r={};for(var n in e)r[n]=e[n];for(var n in t)r[n]=t[n];return r},w=function(e,t){var r=e.$hooks[t];r&&r.call(e)},S=function(){},L=function(e){var t={input:e,current:0,tokens:[]};return O(t),t.tokens},O=function(e){for(var t=e.input,r=t.length;e.current<r;)"<"===t.charAt(e.current)?"<!--"!==t.substr(e.current,4)?T(e):E(e):R(e)},R=function(e){var t=e.input,r=t.length,n=t.indexOf("<",e.current);return n===-1?(e.tokens.push({type:"text",value:t.slice(e.current)}),void(e.current=r)):void(n!==e.current&&(e.tokens.push({type:"text",value:t.slice(e.current,n)}),e.current=n))},E=function(e){var t=e.input,r=t.length;e.current+=4;var n=t.indexOf("-->",e.current);return n===-1?(e.tokens.push({type:"comment",value:t.slice(e.current)}),void(e.current=r)):(e.tokens.push({type:"comment",value:t.slice(e.current,n)}),void(e.current=n+3))},T=function(e){var t=e.input,r=(t.length,"/"===t.charAt(e.current+1));e.tokens.push({type:"tagStart",close:r}),e.current+=r?2:1;var n=N(e);j(e);var o="/"===t.charAt(e.current);e.tokens.push({type:"tagEnd",close:!1}),e.current+=o?2:1,o&&(e.tokens.push({type:"tagStart",close:!0}),e.tokens.push({type:"tag",value:n}),e.tokens.push({type:"attribute",value:{}}),e.tokens.push({type:"tagEnd",close:!1}))},N=function(e){for(var t=e.input,r=t.length,n=e.current;n<r;){var o=t.charAt(n);if("/"!==o&&">"!==o&&" "!==o)break;n++}for(var i=n;i<r;){var o=t.charAt(i);if("/"===o||">"===o||" "===o)break;i++}var s=t.slice(n,i);return e.tokens.push({type:"tag",value:s}),e.current=i,s},j=function(e){for(var t=e.input,r=t.length,n=e.current,o={},i=t.charAt(n),s=t.charAt(n+1),a=function(){n++,i=t.charAt(n),s=t.charAt(n+1)};n<r&&">"!==i&&("/"!==i||">"!==s);)if(" "!==i){for(var p="",c=!1;"="!==i&&n<r;){if(!(" "!==i&&">"!==i||"/"===i&&">"!==s)){c=!0;break}p+=i,a()}if(c)o[p]="";else{var u={meta:{},value:""},l=" ";for(a(),"'"===i||'"'===i?(l=i,a()):u.value+=i;(i!==l&&">"!==i||"/"===i&&">"!==s)&&n<r;)u.value+=i,a();if(p.indexOf(":")!==-1){var f=p.split(":");p=f[0],u.meta.arg=f[1]}o[p]=u,a()}}else a();e.current=n,e.tokens.push({type:"attribute",value:o})},D=function(e){for(var t={type:"ROOT",children:[]},r={current:0,tokens:e};r.current<e.length;){var n=V(r);n&&t.children.push(n)}return t},M=["area","base","br","command","embed","hr","img","input","keygen","link","meta","param","source","track","wbr"],P=["svg","animate","circle","clippath","cursor","defs","desc","ellipse","filter","font-face","foreignObject","g","glyph","image","line","marker","mask","missing-glyph","path","pattern","polygon","polyline","rect","switch","symbol","text","textpath","tspan","use","view"],q=function(e,t,r){return{type:e,props:t,children:r}},V=function(e){var t=e.tokens[e.current],r=e.tokens[e.current-1],n=e.tokens[e.current+1],o=e.tokens[e.current+2],i=e.tokens[e.current+3],s=function(i){e.current+=void 0===i?1:i,t=e.tokens[e.current],r=e.tokens[e.current-1],n=e.tokens[e.current+1],o=e.tokens[e.current+2]};if("text"===t.type)return s(),r.value;if("comment"===t.type)return void s();if("tagStart"===t.type&&!t.close&&!i.close){var a=q(n.value,o.value,[]);n.value;if(s(4),P.indexOf(a.type)!==-1&&(a.isSVG=!0),M.indexOf(a.type)!==-1)return a;e.current;if(t){for(;"tagStart"!==t.type||"tagStart"===t.type&&!t.close;){var p=V(e);if(p&&a.children.push(p),s(0),!t){c('The element "'+a.type+'" was left unclosed.');break}}s()}return a}s()},H=function(e){var t=e.props.attrs,o="{attrs: {";if(t){for(var i in t)if(r[i]&&(e.dynamic=!0),n[i])n[i].afterGenerate&&(e.specialDirectivesAfter||(e.specialDirectivesAfter={}),e.specialDirectivesAfter[i]=t[i]),n[i].beforeGenerate&&n[i].beforeGenerate(t[i].value,t[i].meta,e),n[i].duringPropGenerate&&(o+=n[i].duringPropGenerate(t[i].value,t[i].meta,e)),e.dynamic=!0,delete t[i];else{var s=JSON.stringify(t[i].value),a=d(s,!0);s!==a&&(e.dynamic=!0),o+='"'+i+'": '+a+", "}Object.keys(t).length?o=o.slice(0,-2)+"}":o+="}"}var p=e.props.dom;if(p){e.dynamic=!0,o+=", dom: {";for(var c in p)o+='"'+c+'": '+p[c]+", ";o=o.slice(0,-2)+"}"}return o+="}"},K=function(e){if(0===Object.keys(e).length)return"{}";var t="{";for(var r in e)t+='"'+r+'": ['+F(e[r])+"], ";return t=t.slice(0,-2)+"}"},z=function(e){var t="{";for(var r in e)t+="eventListeners"===r?'"'+r+'": '+K(e[r])+", ":'"'+r+'": '+e[r]+", ";return t=t.slice(0,-2)+"}"},F=function(e){for(var t="",r=0;r<e.length;r++)t+=e[r]+", ";return t=t.slice(0,-2)},Z=function(e){var t='h("'+e.type+'", ';t+=H(e)+", ";var r=e.children.map(J);return 1!==e.children.length||1!==r.length||"string"!=typeof e.children[0]||'"'+e.children[0]+'"'!==r[0]||e.dynamic||(e.meta.shouldRender="instance.$initialRender"),t+=z(e.meta),t+=r.length?", "+F(r):"",t+=")"},J=function(e){var t="";if("string"==typeof e)t+='"'+d(h(e),!0)+'"';else{e.meta||(e.meta=f(),e.isSVG&&(e.meta.isSVG=!0)),e.props={attrs:e.props};var r=e.props.attrs.name,o="slot"===e.type?"instance.$slots['"+(r&&r.value||"default")+"']":Z(e);if(e.specialDirectivesAfter)for(var i in e.specialDirectivesAfter)o=n[i].afterGenerate(e.specialDirectivesAfter[i].value,e.specialDirectivesAfter[i].meta,o,e);t+=o}return t},B=function(e){var t=e.children[0],r="var instance = this; return "+J(t);try{return new Function("h",r)}catch(e){return c("Could not create render function"),S}},I=function(e){var t=L(e),r=D(t);return B(r)};return t.prototype.get=function(e){return this.$observer.dep.target&&(this.$observer.dep.map[e]||(this.$observer.dep.map[e]=[]),this.$observer.dep.map[e].push(this.$observer.dep.target)),this.$data[e]},t.prototype.set=function(e,t){var r=v(this,this.$data,e,t);this.$observer.notify(r),u(this)},t.prototype.destroy=function(){this.removeEvents(),this.$el=null,this.$destroyed=!0,w(this,"destroyed")},t.prototype.callMethod=function(e,t){t=t||[],this.$methods[e].apply(this,t)},t.prototype.on=function(e,t){this.$events[e]?this.$events[e].push(t):this.$events[e]=[t]},t.prototype.off=function(e,t){var r=this.$events[e].indexOf(t);r!==-1&&this.$events[e].splice(r,1)},t.prototype.removeEvents=function(){for(var e in this.$events)this.$events[e]=[]},t.prototype.emit=function(e,t){if(t=t||{},t.type=e,this.$events["*"])for(var r=0;r<this.$events["*"].length;r++){var n=this.$events["*"][r];n(t)}for(var r=0;r<this.$events[e].length;r++){var o=this.$events[e][r];o(t)}},t.prototype.renderLoop=function(e,t){for(var r=[],n=0;n<e.length;n++)r.push(t(e[n],n));return r},t.prototype.renderClass=function(e){if("string"==typeof e)return e;var t="";if(Array.isArray(e))for(var r=0;r<e.length;r++)t+=this.renderClass(e[r])+" ";else if("object"==typeof e)for(var n in e)e[n]&&(t+=n+" ");return t=t.slice(0,-1)},t.prototype.mount=function(e){this.$el=document.querySelector(e),this.$destroyed=!1,this.$el||c("Element "+this.$opts.el+" not found"),this.$el.__moon__=this,this.$template=this.$opts.template||this.$el.outerHTML,this.$render===S&&(this.$render=t.compile(this.$template)),this.build(),w(this,"mounted")},t.prototype.render=function(){return this.$render($)},t.prototype.patch=function(e,t,r){var n=A(e,t,r,this);e!==n&&(this.$el=n,this.$el.__moon__=this),this.$initialRender=!1},t.prototype.build=function(){this.$dom=this.render(),this.patch(this.$el,this.$dom,this.$el.parentNode)},t.prototype.init=function(){p("======= Moon ======="),w(this,"init"),this.$opts.el&&this.mount(this.$opts.el)},t.config={silent:"undefined"==typeof console,prefix:"m-",keyCodes:function(e){for(var t in e)i[t]="if(event.keyCode !== "+e[t]+") {return;};"}},t.version="0.7.1",t.util={noop:S,error:c,log:p,merge:G,extend:C},t.use=function(e){e.init(t)},t.compile=function(e){return I(e)},t.nextTick=function(e){setTimeout(e,0)},t.directive=function(e,n){r[t.config.prefix+e]=n},t.component=function(e,r){function n(){t.call(this,r)}var i=this;return r.name=e,n.prototype=Object.create(i.prototype),n.prototype.constructor=n,n.prototype.init=function(){w(this,"init"),this.$destroyed=!1,this.$props=this.$opts.props||[],this.$template=this.$opts.template,this.$render===S&&(this.$render=t.compile(this.$template))},o[e]={CTor:n,opts:r},n},n[t.config.prefix+"if"]={afterGenerate:function(e,t,r,n){return"("+d(e,!1)+") ? "+r+" : ''"}},n[t.config.prefix+"for"]={afterGenerate:function(e,t,r,n){var o=e.split(" in "),i=o[0].split(","),s=d(o[1],!1),a=i.join(",");return r.replace(/instance\.get\("([^"]+)"\)/g,function(e,t){i.indexOf(t)!==-1&&(r=r.replace(new RegExp('instance.get\\("'+t+'"\\)',"g"),t))}),"instance.renderLoop("+s+", function("+a+") { return "+r+"; })"}},n[t.config.prefix+"on"]={beforeGenerate:function(e,t,r){var n=t.arg.split("."),o=n[0],s="event",a=d(e,!1),p=a.split("(");p.length>1&&(a=p.shift(),s=p.join("(").slice(0,-1));var c="";n.shift();for(var u=0;u<n.length;u++)c+=i[n[u]];var l="function(event) {"+c+'instance.callMethod("'+a+'", ['+s+"])}";r.meta.eventListeners[o]?r.meta.eventListeners[o].push(l):r.meta.eventListeners[o]=[l]}},n[t.config.prefix+"model"]={beforeGenerate:function(e,t,r){var n=d(e,!0),o="input",i="value";r.props.attrs.type&&"checkbox"===r.props.attrs.type.value&&(o="change",i="checked");var s='function(event) {instance.set("'+n+'", event.target.'+i+")}";r.meta.eventListeners[o]?r.meta.eventListeners[o].push(s):r.meta.eventListeners[o]=[s];var a=d("{{"+d(e,!1)+"}}",!1);r.props.dom||(r.props.dom={}),r.props.dom[i]=a}},n[t.config.prefix+"literal"]={duringPropGenerate:function(e,t,r){var n=t.arg;return r.props.attrs[n]={value:!0,meta:{}},"class"===n?'"class": instance.renderClass('+d(e,!1)+"), ":'"'+n+'": '+d(e,!1)+", "}},n[t.config.prefix+"once"]={beforeGenerate:function(e,t,r){r.meta.shouldRender="instance.$initialRender"}},n[t.config.prefix+"pre"]={beforeGenerate:function(e,t,r){r.meta.shouldRender=!1}},n[t.config.prefix+"html"]={beforeGenerate:function(e,t,r){r.props.dom||(r.props.dom={}),r.props.dom.innerHTML='"'+d(e,!0)+'"'}},n[t.config.prefix+"text"]={beforeGenerate:function(e,t,r){r.children=[e]}},r[t.config.prefix+"show"]=function(e,t,r){var n=new Function("return "+t);n()?e.style.display="block":e.style.display="none"},r[t.config.prefix+"mask"]=function(e,t,r){},t});
\ No newline at end of file
+!function(e,t){"object"==typeof module&&module.exports?module.exports=t():e.Moon=t()}(this,function(){"use strict";function e(e){this.instance=e,this.cache={},this.signals={},this.dep={target:null,map:{}}}function t(t){this.$opts=t||{},this.$id=s++,this.$name=this.$opts.name||"root",this.$data=this.$opts.data||{},this.$render=this.$opts.render||S,this.$hooks=this.$opts.hooks||{},this.$methods=this.$opts.methods||{},this.$events={},this.$dom={},this.$observer=new e(this),this.$destroyed=!1,this.$initialRender=!0,this.$queued=!1,this.$opts.computed&&a(this,this.$opts.computed),this.init()}var r={},n={},o={},i={stop:"event.stopPropagation();",prevent:"event.preventDefault();",ctrl:"if(!event.ctrlKey) {return;};",shift:"if(!event.shiftKey) {return;};",alt:"if(!event.altKey) {return;};",enter:"if(event.keyCode !== 13) {return;};"},s=0,a=function(e,t){var r=function(r){e.$observer.observe(r);var n={get:function(){var n=null;return e.$observer.cache[r]?n=e.$observer.cache[r]:(e.$observer.dep.target=r,n=t[r].get.call(e),e.$observer.dep.target=null,e.$observer.cache[r]=n),n}};t[r].set&&(n.set=function(n){return t[r].set.call(e,n)}),Object.defineProperty(e.$data,r,n)};for(var n in t)r(n)};e.prototype.observe=function(e){var t=this;this.signals[e]=function(){t.cache[e]=null}},e.prototype.notify=function(e){if(this.dep.map[e])for(var t=0;t<this.dep.map[e].length;t++)this.notify(this.dep.map[e][t]);this.signals[e]&&this.signals[e]()};var p=function(e){t.config.silent||console.log(e)},c=function(e){console.error("[Moon] ERR: "+e)},u=function(e){e.$queued||e.$destroyed||(e.$queued=!0,setTimeout(function(){e.build(),w(e,"updated"),e.$queued=!1},0))},l=function(e){for(var t={},r=e.attributes,n=r.length;n--;)t[r[n].name]=r[n].value;return e.__moon__props__=t,t},f=function(){return{shouldRender:!0,eventListeners:{}}},h=function(e){var t=/\n/g,r=/"/g,n=/\\/g;return e.replace(n,"\\\\").replace(r,'\\"').replace(t,"\\n")},v=function(e,t,r,n){var o;r.replace(/\[(\w+)\]/g,function(e,t){r=r.replace(e,"."+t)});var i=r.split(".");for(o=0;o<i.length-1;o++){var s=i[o];t=t[s]}return t[i[o]]=n,i[0]},d=function(e,t){var r=/{{([A-Za-z0-9_$@]+)([A-Za-z0-9_.()'"+\-*\/\s\[\]]+)?}}/gi,n=e;return e.replace(r,function(e,r,o){o||(o=""),n=t?n.replace(e,'" + instance.get("'+r+'")'+o+' + "'):n.replace(e,'instance.get("'+r+'")'+o)}),n},m=function(e){var t={};if(!e)return t;var r="default";t[r]=[];for(var n=0;n<e.length;n++){var o=e[n],i=o.props.attrs;i.slot?(t[i.slot]?t[i.slot].push(o):t[i.slot]=[o],delete i.slot):t[r].push(o)}return t},g=function(e,t,r,n,o){return{type:e,val:t,props:r,children:n,meta:o||f()}},y=function(e,t,r,n,o){var i=o.opts.data||{};if(o.opts.props)for(var s=0;s<o.opts.props.length;s++){var a=o.opts.props[s];i[a]=t.attrs[a]}return o.opts.render($,{data:i,slots:m(n)})},$=function(e,t,r){for(var n=[],i=arguments.length-3,s=0;s<i;s++){var a=arguments[s+3];Array.isArray(a)?n=n.concat(a):"string"==typeof a||null===a?n.push(g("#text",a||"",{attrs:{}},[],f())):n.push(a)}if(o[e]){if(o[e].opts.functional)return y(e,t,r,n,o[e]);r.component=o[e]}return g(e,"",t,n,r)},_=function(e,t,r){var n=t.meta.eventListeners;for(var o in n)for(var i=0;i<n[o].length;i++){var s=n[o][i];e.addEventListener(o,s)}},b=function(e,t){var r;if("#text"===e.type)r=document.createTextNode(e.val);else{if(r=e.meta.isSVG?document.createElementNS("http://www.w3.org/2000/svg",e.type):document.createElement(e.type),1===e.children.length&&"#text"===e.children[0].type)r.textContent=e.children[0].val;else for(var n=0;n<e.children.length;n++){var o=e.children[n],i=b(e.children[n],t);r.appendChild(i),o.meta.component&&x(i,o,o.meta.component)}_(r,e,t)}return r.__moon__props__=G({},e.props.attrs),k(r,{},e,e.props.attrs),r.__moon__nodeName__=e.type,r},x=function(e,t,r){for(var n=new r.CTor,o=0;o<n.$props.length;o++){var i=n.$props[o];n.$data[i]=t.props.attrs[i]}return n.$slots=m(t.children),n.$el=e,n.build(),w(n,"mounted"),n.$el},k=function(e,t,n,o){var i=C(t,o),s=e instanceof SVGElement;for(var a in i)!o.hasOwnProperty(a)||r[a]?(r[a]&&r[a](e,i[a],n),s?e.removeAttributeNS(null,a):e.removeAttribute(a),delete e.__moon__props__[a]):t[a]&&t[a]===o[a]||(s?e.setAttributeNS(null,a,o[a]):e.setAttribute(a,o[a]),e.__moon__props__[a]=o[a]);if(n.props.dom)for(var p in n.props.dom){n.props.dom[p];e[p]!==n.props.dom[p]&&(e[p]=n.props.dom[p])}},A=function(e,t,r,n){var o;if(e&&(o=e.__moon__nodeName__||e.nodeName.toLowerCase()),!e&&t){var i=b(t,n);return r.appendChild(i),t.meta.component&&x(i,t,t.meta.component),i}if(t){if(o!==t.type){var i=b(t,n);return r.replaceChild(i,e),e.__moon__&&e.__moon__.destroy(),t.meta.component&&x(i,t,t.meta.component),i}if(t.meta.shouldRender&&"#text"===t.type&&"#text"===o&&t.val!==e.textContent)return e.textContent=t.val,e;if(t&&"#text"!==t.type&&t.meta.shouldRender){if(t.meta.component){if(e.__moon__){var s=e.__moon__,a=!1;for(var p in t.props.attrs)s.$data[p]!==t.props.attrs[p]&&(s.$data[p]=t.props.attrs[p],a=!0);t.children&&(s.$slots=m(t.children),a=!0),a&&s.build()}else x(e,t,t.meta.component);return e}var c=e.__moon__props__||l(e);if(k(e,c,t,t.props.attrs),n.$initialRender&&_(e,t,n),t.props.dom&&t.props.dom.innerHTML)return e;var u=e.firstChild;if(1===t.children.length&&"#text"===t.children[0].type&&u&&!u.nextSibling&&"#text"===u.nodeName)t.children[0].val!==u.textContent&&(u.textContent=t.children[0].val);else for(var f=0;f<t.children.length||u;f++){var h=u?u.nextSibling:null;A(u,t.children[f],e,n),u=h}return e}return e}return r.removeChild(e),e.__moon__&&e.__moon__.destroy(),null},G=function(e,t){for(var r in t)e[r]=t[r];return e},C=function(e,t){var r={};for(var n in e)r[n]=e[n];for(var n in t)r[n]=t[n];return r},w=function(e,t){var r=e.$hooks[t];r&&r.call(e)},S=function(){},L=function(e){var t={input:e,current:0,tokens:[]};return O(t),t.tokens},O=function(e){for(var t=e.input,r=t.length;e.current<r;)"<"===t.charAt(e.current)?"<!--"!==t.substr(e.current,4)?T(e):E(e):R(e)},R=function(e){var t=e.input,r=t.length,n=t.indexOf("<",e.current);return n===-1?(e.tokens.push({type:"text",value:t.slice(e.current)}),void(e.current=r)):void(n!==e.current&&(e.tokens.push({type:"text",value:t.slice(e.current,n)}),e.current=n))},E=function(e){var t=e.input,r=t.length;e.current+=4;var n=t.indexOf("-->",e.current);return n===-1?(e.tokens.push({type:"comment",value:t.slice(e.current)}),void(e.current=r)):(e.tokens.push({type:"comment",value:t.slice(e.current,n)}),void(e.current=n+3))},T=function(e){var t=e.input,r=(t.length,"/"===t.charAt(e.current+1));e.tokens.push({type:"tagStart",close:r}),e.current+=r?2:1;var n=N(e);j(e);var o="/"===t.charAt(e.current);e.tokens.push({type:"tagEnd",close:!1}),e.current+=o?2:1,o&&(e.tokens.push({type:"tagStart",close:!0}),e.tokens.push({type:"tag",value:n}),e.tokens.push({type:"attribute",value:{}}),e.tokens.push({type:"tagEnd",close:!1}))},N=function(e){for(var t=e.input,r=t.length,n=e.current;n<r;){var o=t.charAt(n);if("/"!==o&&">"!==o&&" "!==o)break;n++}for(var i=n;i<r;){var o=t.charAt(i);if("/"===o||">"===o||" "===o)break;i++}var s=t.slice(n,i);return e.tokens.push({type:"tag",value:s}),e.current=i,s},j=function(e){for(var t=e.input,r=t.length,n=e.current,o={},i=t.charAt(n),s=t.charAt(n+1),a=function(){n++,i=t.charAt(n),s=t.charAt(n+1)};n<r&&">"!==i&&("/"!==i||">"!==s);)if(" "!==i){for(var p="",c=!1;"="!==i&&n<r;){if(!(" "!==i&&">"!==i||"/"===i&&">"!==s)){c=!0;break}p+=i,a()}if(c)o[p]="";else{var u={meta:{},value:""},l=" ";for(a(),"'"===i||'"'===i?(l=i,a()):u.value+=i;(i!==l&&">"!==i||"/"===i&&">"!==s)&&n<r;)u.value+=i,a();if(p.indexOf(":")!==-1){var f=p.split(":");p=f[0],u.meta.arg=f[1]}o[p]=u,a()}}else a();e.current=n,e.tokens.push({type:"attribute",value:o})},D=function(e){for(var t={type:"ROOT",children:[]},r={current:0,tokens:e};r.current<e.length;){var n=V(r);n&&t.children.push(n)}return t},M=["area","base","br","command","embed","hr","img","input","keygen","link","meta","param","source","track","wbr"],P=["svg","animate","circle","clippath","cursor","defs","desc","ellipse","filter","font-face","foreignObject","g","glyph","image","line","marker","mask","missing-glyph","path","pattern","polygon","polyline","rect","switch","symbol","text","textpath","tspan","use","view"],q=function(e,t,r){return{type:e,props:t,children:r}},V=function(e){var t=e.tokens[e.current],r=e.tokens[e.current-1],n=e.tokens[e.current+1],o=e.tokens[e.current+2],i=e.tokens[e.current+3],s=function(i){e.current+=void 0===i?1:i,t=e.tokens[e.current],r=e.tokens[e.current-1],n=e.tokens[e.current+1],o=e.tokens[e.current+2]};if("text"===t.type)return s(),r.value;if("comment"===t.type)return void s();if("tagStart"===t.type&&!t.close&&!i.close){var a=q(n.value,o.value,[]);n.value;if(s(4),P.indexOf(a.type)!==-1&&(a.isSVG=!0),M.indexOf(a.type)!==-1)return a;e.current;if(t){for(;"tagStart"!==t.type||"tagStart"===t.type&&!t.close;){var p=V(e);if(p&&a.children.push(p),s(0),!t){c('The element "'+a.type+'" was left unclosed.');break}}s()}return a}s()},H=function(e){var t=e.props.attrs,o="{attrs: {";if(t){for(var i in t)if(r[i]&&(e.dynamic=!0),n[i])n[i].afterGenerate&&(e.specialDirectivesAfter||(e.specialDirectivesAfter={}),e.specialDirectivesAfter[i]=t[i]),n[i].beforeGenerate&&n[i].beforeGenerate(t[i].value,t[i].meta,e),n[i].duringPropGenerate&&(o+=n[i].duringPropGenerate(t[i].value,t[i].meta,e)),e.dynamic=!0,delete t[i];else{var s=JSON.stringify(t[i].value),a=d(s,!0);s!==a&&(e.dynamic=!0),o+='"'+i+'": '+a+", "}Object.keys(t).length?o=o.slice(0,-2)+"}":o+="}"}var p=e.props.dom;if(p){e.dynamic=!0,o+=", dom: {";for(var c in p)o+='"'+c+'": '+p[c]+", ";o=o.slice(0,-2)+"}"}return o+="}"},K=function(e){if(0===Object.keys(e).length)return"{}";var t="{";for(var r in e)t+='"'+r+'": ['+Z(e[r])+"], ";return t=t.slice(0,-2)+"}"},z=function(e){var t="{";for(var r in e)t+="eventListeners"===r?'"'+r+'": '+K(e[r])+", ":'"'+r+'": '+e[r]+", ";return t=t.slice(0,-2)+"}"},Z=function(e){for(var t="",r=0;r<e.length;r++)t+=e[r]+", ";return t=t.slice(0,-2)},F=function(e){var t='h("'+e.type+'", ';t+=H(e)+", ";var r=e.children.map(J);return 1!==e.children.length||1!==r.length||"string"!=typeof e.children[0]||'"'+e.children[0]+'"'!==r[0]||e.dynamic||(e.meta.shouldRender="instance.$initialRender"),t+=z(e.meta),t+=r.length?", "+Z(r):"",t+=")"},J=function(e){var t="";if("string"==typeof e)t+='"'+d(h(e),!0)+'"';else{e.meta||(e.meta=f(),e.isSVG&&(e.meta.isSVG=!0)),e.props={attrs:e.props};var r=e.props.attrs.name,o="slot"===e.type?"instance.$slots['"+(r&&r.value||"default")+"']":F(e);if(e.specialDirectivesAfter)for(var i in e.specialDirectivesAfter)o=n[i].afterGenerate(e.specialDirectivesAfter[i].value,e.specialDirectivesAfter[i].meta,o,e);t+=o}return t},B=function(e){var t=e.children[0],r="var instance = this; return "+J(t);try{return new Function("h",r)}catch(e){return c("Could not create render function"),S}},I=function(e){var t=L(e),r=D(t);return B(r)};return t.prototype.get=function(e){return this.$observer.dep.target&&(this.$observer.dep.map[e]||(this.$observer.dep.map[e]=[]),this.$observer.dep.map[e].push(this.$observer.dep.target)),this.$data[e]},t.prototype.set=function(e,t){var r=v(this,this.$data,e,t);this.$observer.notify(r),u(this)},t.prototype.destroy=function(){this.removeEvents(),this.$el=null,this.$destroyed=!0,w(this,"destroyed")},t.prototype.callMethod=function(e,t){t=t||[],this.$methods[e].apply(this,t)},t.prototype.on=function(e,t){this.$events[e]?this.$events[e].push(t):this.$events[e]=[t]},t.prototype.off=function(e,t){var r=this.$events[e].indexOf(t);r!==-1&&this.$events[e].splice(r,1)},t.prototype.removeEvents=function(){for(var e in this.$events)this.$events[e]=[]},t.prototype.emit=function(e,t){if(t=t||{},t.type=e,this.$events["*"])for(var r=0;r<this.$events["*"].length;r++){var n=this.$events["*"][r];n(t)}for(var r=0;r<this.$events[e].length;r++){var o=this.$events[e][r];o(t)}},t.prototype.renderLoop=function(e,t){for(var r=[],n=0;n<e.length;n++)r.push(t(e[n],n));return r},t.prototype.renderClass=function(e){if("string"==typeof e)return e;var t="";if(Array.isArray(e))for(var r=0;r<e.length;r++)t+=this.renderClass(e[r])+" ";else if("object"==typeof e)for(var n in e)e[n]&&(t+=n+" ");return t=t.slice(0,-1)},t.prototype.mount=function(e){this.$el=document.querySelector(e),this.$destroyed=!1,this.$el||c("Element "+this.$opts.el+" not found"),this.$el.__moon__=this,this.$template=this.$opts.template||this.$el.outerHTML,this.$render===S&&(this.$render=t.compile(this.$template)),this.build(),w(this,"mounted")},t.prototype.render=function(){return this.$render($)},t.prototype.patch=function(e,t,r){var n=A(e,t,r,this);e!==n&&(this.$el=n,this.$el.__moon__=this),this.$initialRender=!1},t.prototype.build=function(){this.$dom=this.render(),this.patch(this.$el,this.$dom,this.$el.parentNode)},t.prototype.init=function(){p("======= Moon ======="),w(this,"init"),this.$opts.el&&this.mount(this.$opts.el)},t.config={silent:"undefined"==typeof console,prefix:"m-",keyCodes:function(e){for(var t in e)i[t]="if(event.keyCode !== "+e[t]+") {return;};"}},t.version="0.7.1",t.util={noop:S,error:c,log:p,merge:C,extend:G},t.use=function(e){e.init(t)},t.compile=function(e){return I(e)},t.nextTick=function(e){setTimeout(e,0)},t.directive=function(e,n){r[t.config.prefix+e]=n},t.component=function(e,r){function n(){t.call(this,r)}var i=this;return r.name=e,n.prototype=Object.create(i.prototype),n.prototype.constructor=n,n.prototype.init=function(){w(this,"init"),this.$destroyed=!1,this.$props=this.$opts.props||[],this.$template=this.$opts.template,this.$render===S&&(this.$render=t.compile(this.$template))},o[e]={CTor:n,opts:r},n},n[t.config.prefix+"if"]={afterGenerate:function(e,t,r,n){return"("+d(e,!1)+") ? "+r+" : ''"}},n[t.config.prefix+"show"]={duringPropGenerate:function(e,t,r){return'"m-show": '+d(e,!1)+", "}},n[t.config.prefix+"for"]={afterGenerate:function(e,t,r,n){var o=e.split(" in "),i=o[0].split(","),s=d(o[1],!1),a=i.join(",");return r.replace(/instance\.get\("([^"]+)"\)/g,function(e,t){i.indexOf(t)!==-1&&(r=r.replace(new RegExp('instance.get\\("'+t+'"\\)',"g"),t))}),"instance.renderLoop("+s+", function("+a+") { return "+r+"; })"}},n[t.config.prefix+"on"]={beforeGenerate:function(e,t,r){var n=t.arg.split("."),o=n[0],s="event",a=d(e,!1),p=a.split("(");p.length>1&&(a=p.shift(),s=p.join("(").slice(0,-1));var c="";n.shift();for(var u=0;u<n.length;u++)c+=i[n[u]];var l="function(event) {"+c+'instance.callMethod("'+a+'", ['+s+"])}";r.meta.eventListeners[o]?r.meta.eventListeners[o].push(l):r.meta.eventListeners[o]=[l]}},n[t.config.prefix+"model"]={beforeGenerate:function(e,t,r){var n=d(e,!0),o="input",i="value";r.props.attrs.type&&"checkbox"===r.props.attrs.type.value&&(o="change",i="checked");var s='function(event) {instance.set("'+n+'", event.target.'+i+")}";r.meta.eventListeners[o]?r.meta.eventListeners[o].push(s):r.meta.eventListeners[o]=[s];var a=d("{{"+d(e,!1)+"}}",!1);r.props.dom||(r.props.dom={}),r.props.dom[i]=a}},n[t.config.prefix+"literal"]={duringPropGenerate:function(e,t,r){var n=t.arg;return r.props.attrs[n]={value:!0,meta:{}},"class"===n?'"class": instance.renderClass('+d(e,!1)+"), ":'"'+n+'": '+d(e,!1)+", "}},n[t.config.prefix+"once"]={beforeGenerate:function(e,t,r){r.meta.shouldRender="instance.$initialRender"}},n[t.config.prefix+"pre"]={beforeGenerate:function(e,t,r){r.meta.shouldRender=!1}},n[t.config.prefix+"html"]={beforeGenerate:function(e,t,r){r.props.dom||(r.props.dom={}),r.props.dom.innerHTML='"'+d(e,!0)+'"'}},n[t.config.prefix+"text"]={beforeGenerate:function(e,t,r){r.children=[e]}},r[t.config.prefix+"show"]=function(e,t,r){e.style.display=t?"":"none"},r[t.config.prefix+"mask"]=function(e,t,r){},t});
\ No newline at end of file
diff --git a/src/directives/default.js b/src/directives/default.js
index 3e181bf2..2a45f021 100644
--- a/src/directives/default.js
+++ b/src/directives/default.js
@@ -6,6 +6,12 @@ specialDirectives[Moon.config.prefix + "if"] = {
   }
 }
 
+specialDirectives[Moon.config.prefix + "show"] = {
+  duringPropGenerate: function(value, meta, vnode) {
+    return `"m-show": ${compileTemplate(value, false)}, `;
+  }
+}
+
 specialDirectives[Moon.config.prefix + "for"] = {
   afterGenerate: function(value, meta, code, vnode) {
     var parts = value.split(" in ");
@@ -134,12 +140,7 @@ specialDirectives[Moon.config.prefix + "text"] = {
 }
 
 directives[Moon.config.prefix + "show"] = function(el, val, vnode) {
-  var evaluated = new Function("return " + val);
-  if(!evaluated()) {
-    el.style.display = 'none';
-  } else {
-    el.style.display = 'block';
-  }
+  el.style.display = (val ? '' : 'none');
 }
 
 directives[Moon.config.prefix + "mask"] = function(el, val, vnode) {
diff --git a/test/js/test.js b/test/js/test.js
index 50c14438..6de92f1f 100644
--- a/test/js/test.js
+++ b/test/js/test.js
@@ -345,7 +345,7 @@ describe("Directive", function() {
       }
     });
     it('should display when true', function() {
-      expect(document.getElementById('show-condition').style.display).to.equal('block');
+      expect(document.getElementById('show-condition').style.display).to.equal('');
     });
     it('should not display when false', function() {
       showApp.set('condition', false);