构造函数创建方式
2017-07-18 本文已影响0人
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var f = function (){}
f = function (){}
function f (){}
new(function(){} )()
new(function fn(){
return fn
})();
var f = function (){}
f = function (){}
function f (){}
new(function(){} )()
new(function fn(){
return fn
})();