rush:js;">
function mottoClone (obj) {
if (obj === null || typeof obj !== 'object') return obj;
if (obj instanceof Boolean) return new Boolean(obj.valueOf());
if (obj instanceof Number) return new Number(obj.valueOf());
if (obj instanceof String) return new String(obj.valueOf());
if (obj instanceof RegExp) return new RegExp(obj.valueOf());
if (obj instanceof Date) return new Date(obj.valueOf());
var cpObj = obj instanceof Array ? [] : {};
for (var key in obj) cpObj[key] = myClone(obj[key]);
return cpObj;
}
支持的数据类型或格式有:Boolean,Number,String,RegExp,Date,Function,Array,JSON
支持深拷贝(循环迭代),如:
rush:js;">
var obj = {
id: 1,name: 'xxx',sayName: function () {
console.log('my name is' + this.name);
},childs: [
{},{},...
],opts: {
xxx: [],...
},...
};
var newObj = mottoClone(obj);
以上所述是小编给大家介绍的JS数据类型的值拷贝函数(深拷贝)。编程之家 jb51.cc 收集整理的教程希望能对你有所帮助,如果觉得编程之家不错,可分享给好友!感谢支持。