JavaScript array Concat method used to marge two more arrays. This method does not change existing arrays. The same task we can do using spread syntax by destructuring arrays. Consider: Concat: let number1= ['one', 'two', 'three'];
let number2 = ['four', 'five'];
console.log(number1.concat(number2)); Expected Result: ["one","two","three","four","five" ] Spread: let number1= ['one'…