fix(jqLite): return array from multi select in val()

Author: emhagman

src/jqLite.js

@@ -499,6 +499,15 @@ forEach({
 
   val: function(element, value) {
     if (isUndefined(value)) {
+      if (nodeName_(element) === 'SELECT' && element.multiple) {
+        var result = [];
+        forEach(element.options, function (option) {
+          if (option.selected) {
+            result.push(option.value || option.text);
+          }
+        });
+        return result.length === 0 ? null : result;
+      }
       return element.value;
     }
     element.value = value;

test/jqLiteSpec.js

@@ -684,6 +684,26 @@ describe('jqLite', function() {
       expect(input[0].value).toEqual('abc');
       expect(input.val()).toEqual('abc');
     });
+
+    it('should get an array of selected elements from a multi select', function () {
+      expect(jqLite(
+        '<select multiple>' +
+          '<option selected>test 1</option>' +
+          '<option selected>test 2</option>' +
+        '</select>').val()).toEqual(['test 1', 'test 2']);
+
+      expect(jqLite(
+        '<select multiple>' +
+          '<option selected>test 1</option>' +
+          '<option>test 2</option>' +
+        '</select>').val()).toEqual(['test 1']);
+
+      expect(jqLite(
+        '<select multiple>' +
+          '<option>test 1</option>' +
+          '<option>test 2</option>' +
+        '</select>').val()).toEqual(null);
+    });
   });