js 匿名函数

原创于 2016-04-14 16:44:33 发布 · 75 阅读

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#JavaScript #ViewUI

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<html>
<head>
</head>
<body>
</body>
<script>
(function () {
        var yQuery = (function () {
            var yQuery = function () {
                return yQuery.fn.init();
            };

            yQuery.fn = yQuery.prototype = {
                init: function () {
                    return this;
                }
            };

			yQuery.extend = yQuery.fn.extend = function () {
                var options, name, src, copy,
                    target = arguments[0] || {},
                    i = 1,
                    length = arguments.length;
                if (length === i) {
                    target = this;
                    --i;
                }

                for (; i < length; i++) {
                    if ((options = arguments[i]) != null) {
                        for (name in options) {
                            src = target[name];
                            copy = options[name];
                            if (src === copy) {
                                continue;
                            }
                            if (copy!==undefined) {
                                target[name] = copy;
                            }
                        }
                    }
                }
                return target;
            };
            return yQuery;
        })();
        window.yQuery = window.$ = yQuery();
    })();
$.ui = $.ui || {};
$.extend($.ui,{name:'CSJ',getName:function(){return this.name}});	
$.email = $.email || {};
$.extend($.email,{name:'SJ@sina.com', getName:function(){return this.name}});
console.log($.ui.getName());
console.log($.email.getName());
</script>
</html>