很好用的
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;
}
deepCopy('要拷贝的数据', '拷贝到新数组里')
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