f能取到a,b吗?原理是什么?varF=function(){};Object.prototype.a=function(){};Function.prototype.b=function(){};varf=newF();
varF=function(){};Object.prototype.a=function(){};Function.prototype.b=function(){};varf=newF();
Object.prototype.a=function(){};Function.prototype.b=function(){};varf=newF();
Function.prototype.b=function(){};varf=newF();
varf=newF();
富国沪深
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