var = {};(function(x){ var obj = x;obj.foo = 'foo';obj.bar = 'bar';})(o)
o
.bar
__.
.bar
__.
var o= {};函数克隆( x) { for(p in X) thisp = (typeof(xp) == 'object')?新克隆(Xp):xp;} (function(x){ var obj = new Clone(x);obj.foo = 'foo';obj.bar = 'bar';})(o)
o
.bar
__.不会支持 .foo
或
问题
https://stackoverflow.com/questions/7574054
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