摘要:
1)在看《web前端修炼之道》中对其中一段代码,一直运行不通 1 function extend(subClass,superClass){ 2 var F=function(){}; 3 F.prototype=superClass.prototype; 4 subClass.prototype=new F(); 5 subClass.prototype.constructor=subClass; 6 subClass.superClass=superClass.prototype; 7 if(superClass.prototype.cons...
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