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>
Apr 14, 2020 - Copying array in Javascript is often confusing for beginners. This article explains different ways to copy or clone array in Javascript. ... <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>
