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<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
<script type="text/javascript" src="http://code.jquery.com/jquery-latest.js"></script>
<script>
// 外层函数只是为了自动执行，创建函数实例
var xw = (function xiaoWang() {
//创建类方法
var sendMessage = function() {
var infoClass = {
setLian: function() {
this.lian = "大脸";
return this;
},
setZui: function() {
this.zui = "大嘴";
return this;
}
}
return infoClass;
}
var singleInstance = null;
//创建实例，info这是暴露在外面的
var info = {
createInstance: function() {
if (!singleInstance) {
singleInstance = new sendMessage();
}
return singleInstance;
}
}
return info;
})();
(function xiaoLi() {
msg = xw.createInstance().setLian().setZui();
console.log(msg);
msg = null;
}());
</script>
</head>
<body>
<button id="btna">按钮a</button>
<button id="btnb">按钮b</button>
<script>
/*-------------单例模式也可以是 两个全局变量-----------*/
var aInstance = {
init: function() {
this.render();
this.binder();
},
a: 4,
render: function() {
var me = this;
me.btna = $(‘#btna‘);
},
binder: function() {
var me = this;
me.btna.click(function() {
me.test();
});
},
test: function() {
bInstance.b = 8;
console.log(bInstance);
}
}
var bInstance = {
init: function() {
this.render();
this.binder();
},
b: 4,
render: function() {
var me = this;
me.btnb = $(‘#btnb‘);
},
binder: function() {
var me = this;
me.btnb.on(‘click‘, (function() {
me.test();
}));
},
test: function() {
aInstance.a = 7;
console.log(aInstance);
}
}
aInstance.init();
bInstance.init();
</script>
</body>
</html>
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原文地址：http://www.cnblogs.com/yqlog/p/5559414.html
