javascript copy an array
let arr =["a","b","c"];
// ES6 way
const copy = [...arr];
// older method
const copy = Array.from(arr);javascript copy an array
let arr =["a","b","c"];
// ES6 way
const copy = [...arr];
// older method
const copy = Array.from(arr);javascript empty array
arr = []; // set array=[]
//function
const empty = arr => arr.length = 0;
//example
var arr= [1,2,3,4,5];
empty(arr) // arr=[]javascript clear array
let aray = [1,2,3,4,5,6,7,8,9,10];
//as with most coding there are several ways you can do anything
//see whichever works best for your scenario
//set the array to equal a blank array
array = [];
//set the array's length to 0
array.length = 0;
//using splice, starts at index 0 & removes everything up to and including that last index
array.splice(0, array.length);
//map or loop through and shift() or pop();
//goes through the array one at a time and removes the last item each time
array.map( () => array.pop());
//goes through the array one at a time and removes the first item each time
array.map( () => array.shift());javascript array clear
var cars = ["mazda","honda","tesla"];
cars = []; // clear/empty the arrayhow to clear array in javascript
A.length = 0javascript clear an array
let arr = [3.14, 7];
arr = [];//make sure there is no other referenceCopyright © 2021 Codeinu
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