how to remove specific index from array javascript code example

Example 1: js array delete specific element

var arr = [1, 2, 3, 4, 5, 6, 7, 8, 9, 0];
var removed = arr.splice(2,2);
/*
removed === [3, 4]
arr === [1, 2, 5, 6, 7, 8, 9, 0]
*/

Example 2: javascript array clear

var cars = ["mazda","honda","tesla"];
	cars = []; // clear/empty the array