js 对象的深拷贝
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<head><meta charset="UTF-8"><title>對象的深拷貝</title>
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<body><script>var cloneObj = function (obj) {// typeof null 是等于 object,所以也把null給排除了if ((obj === null)||(typeof obj != 'object')) return var newObj = obj.constructor === Array ? [] : {}for(var i in obj) {newObj[i] = typeof obj[i] === 'object' ? cloneObj(obj[i]) : obj[i]}return newObj}var a = {a: 'str',b: {hel: {lo: 'world'}}}var b = ["Asd", 'asdf']console.log(cloneObj(a));console.log(cloneObj(b));</script>
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總結(jié)
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