array delete value 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: delete from array javascript

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 3: remove a value to an array of javascript

var data = [1, 2, 3];

// remove a specific value
// splice(starting index, how many values to remove);
data.splice(1, 1);
// data = [1, 3];

// remove last element
data.pop();
// data = [1, 2];