fix #776

slab · Jul 4, 2016 · b779ae4 · b779ae4
1 parent c635440
commit b779ae4
Showing 1 changed file with 19 additions and 17 deletions.
diff --git a/core/polyfill.js b/core/polyfill.js
@@ -31,26 +31,28 @@ if (!String.prototype.endsWith) {
 }
 
 if (!Array.prototype.find) {
- Array.prototype.find = function(predicate) {
- if (this === null) {
- throw new TypeError('Array.prototype.find called on null or undefined');
- }
- if (typeof predicate !== 'function') {
- throw new TypeError('predicate must be a function');
- }
- var list = Object(this);
- var length = list.length >>> 0;
- var thisArg = arguments[1];
- var value;
+ Object.defineProperty(Array.prototype, "find", {
+ value: function(predicate) {
+ if (this === null) {
+ throw new TypeError('Array.prototype.find called on null or undefined');
+ }
+ if (typeof predicate !== 'function') {
+ throw new TypeError('predicate must be a function');
+ }
+ var list = Object(this);
+ var length = list.length >>> 0;
+ var thisArg = arguments[1];
+ var value;
 
- for (var i = 0; i < length; i++) {
- value = list[i];
- if (predicate.call(thisArg, value, i, list)) {
- return value;
+ for (var i = 0; i < length; i++) {
+ value = list[i];
+ if (predicate.call(thisArg, value, i, list)) {
+ return value;
+ }
  }
+ return undefined;
  }
- return undefined;
- };
+ });
 }
 
 // Disable resizing in Firefox