情景一:var yx01 = new function() {return "圆心"};alert(yx01);我们运行情景一代码,将返回显示“[object object] ”,此时该代码等价于:function 匿名类(){ return "圆心";}var yx01 = new 匿名类();alert(yx01);我们对情景一的代码进行下面改造:var yx01 = new&...
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