drop from array 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