Answers for "deleting an item from an array"

remove element from an 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"]

how to remove elements from array

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