javascript js深度克隆

Posted 2021-05-03

function deepCopy(source){
        var sourceCopy = source instanceof Array ? [] : {};
        for (var item in source) {
            sourceCopy[item] = typeof source[item] === 'object' ? deepCopy(source[item]) : source[item];
        }
        return sourceCopy;
}

var obj = [{ "a": { "a1": ["a11", "a12"], "a2": 1 }, "b": 2 }, ["c", { "d": 4, "e": 5 }]];
var obj = { "a": { "a1": ["a11", "a12"], "a2": 1 }, "b": 2 };
var objCopy = deepCopy(obj);