JS 框架

 

JS 框架
<html xmlns=”http://www.w3.org/1999/xhtml”> 
<head> 
<title>Untitled Page</title> 
</head> 
<body> 
<div id="d">divvv</div> 
<div id="fsd">fdsf</div> 
</body> 
</html> 
<script type="text/javascript">


var myok = function(selector){ 
debugger;
alert(typeof(this));
} 
var c = new myok(‘d‘);
alert(c.constructor);
//实现自己的MyQuery框架 
var MyQuery = function(selector){ 
debugger;
if ( window == this ) return new MyQuery(selector); 
//这里只实现dom类型的简单查找,嘿嘿 
var doms = document.getElementsByTagName(selector); 
var arr = []; 
for(var i=0; i<doms .length; i++){ 
arr.push(doms.item(i)); 
} 
return this.setArray(arr); 
} 
MyQuery.prototype.setArray = function( arr ) { 
debugger;
this.length = 0; 
[].push.apply( this, arr ); 
return this; 
} 
MyQuery.fn = MyQuery.prototype; 
var $ = MyQuery;

//插件扩展1)each 
MyQuery.fn.each = function(method){ 
debugger;
for(var i=0,l=this.length; i<l; i++){ 
method.call(this[i],i); 
} 
}

//插件扩展2)show 
MyQuery.fn.show = function(){ 
debugger;
this.each(function(i){ 
alert(i+":"+this.id+":"+this.innerHTML); 
}); 
} 
//debugger 
$("div").show(); 
</script>
JS 框架

JS 框架

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