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function deepCopy(p, c) {
var c = c || {};
for (var i in p) {
if (typeof p[i] === ‘object‘) {
c[i] = (p[i].constructor === Array) ? [] : {};
deepCopy(p[i], c[i]);
} else {
c[i] = p[i];
}
}
return c;
}
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原文地址：http://www.cnblogs.com/lostazrael/p/4212584.html
