var $dn = dnQuery = (function(root){ var _PRoxy = function(selector){ return root.document.querySelectorAll(selector); } var $ = function(selector,parent){ return _proxy(selector); }; $.extend = function(target){ for (var i = 1; i < arguments.length; i++) { for(var prop in arguments[i]){ target[prop] = arguments[i][prop]; } } return target; } var __PROTO__ = { each : function(callback){ for (var i = 0; i < this.length; i++) { callback&&callback.call(this[i],i,this[i]); } }, get : function(index){ return this[index]; }, find : function(selector){ return $(selector); }, html : function(html){ this.each(function(index,object){ object.innerHTML = html; }); return this; }, addClass : function(clazz){ this.each(function(index,object){ object.className = clazz; }); return this; }, removeClass : function(){ this.each(function(index,object){ object.className = ""; }); return this; } }; //[native code] prototype 是 const $.fn = $.extend(NodeList.prototype,__PROTO__); //创建了一个闭包空间 return $;}(window));<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>Document</title> <style type="text/CSS"> .class1{ font-size:22px; } .class2{ font-family: Arial,"Microsoft Yahei"; } </style></head><body> <div class="myTest">this is div1 <p></p> </div> <div class="myTest">this is div2</div> <script src="assets/plug-in/dnJquery/dn-jquery.1.0.0.js"></script> <script> //var $test = $dn(".myTest"); // $dn.fn.find = function(){ // console.log("this is find"); // } // console.log($test.length); // console.log($test[0]); // console.log($test.get(1)); // $test.addClass().removeClass().find(); //$test.addClass("class1 class2").find("p").html("<a href='#'>新增的超链接</a>"); //var $body = $(document.body); console.log($.fn); </script></body></html>
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