摘要:
javascript 中 object类型的元素是浅拷贝的。也就是说副本指向相同地址<script>var a = b = []; a.push('aaa'); console.dir(b);/*Array[1] 0: "aaa" length: 1 __proto__: Array[0]*/</script>实现深层拷贝<script>function dCopy(o){ if(typeof(o) != 'object') return o; var _o = o.constructor == Array 阅读全文