how to delete index from array javascript code example

Example 1: remove a particular element from array

var colors = ["red","blue","car","green"];
var carIndex = colors.indexOf("car");//get  "car" index
//remove car from the colors array
colors.splice(carIndex, 1); // colors = ["red","blue","green"]

Example 2: remove element from array javascript

let values = [1,2,3,4,5,7,8,9,10]

// only keep n values from an array
values.length = 5