length) var start = Date.now(); for(var i = 0; i < original_array.length; i ++) { dup.push(original_array[i]); } var end = Date.now(); console.log('for loop ... ... <看更多>

Clone an array of ObjectFollow @profulsadangi on twitter for daily ... Shallow Cloning And Deep cloning In ... ... <看更多>

Shallow copy example · First, create a new object named person . · Second, clone the person object using the Object.assign() method. · Third, change the first name ... ... <看更多>

在JavaScript 的世界裡有基本型別與物件型別兩種定義。 基本型別為： Number 、 String 、 Boolean 、 Null 、 Undefined 、 Symbol 其餘像是 Array ... ... <看更多>

Your code seems to track all cloned objects, so that it will find ... things like creating a useless clone function have absolutely no value in JavaScript, ... ... <看更多>