const array = [2, 5, 9]; console.log(array); const index = array.indexOf(5); if (index > -1) { array.splice(index, 1); } // array = [2, 9] console.log(array);
var arr = [1, 2, 3, 4, 5, 6, 7, 8, 9, 0] newArr.splice(1,2) //remove 1 element from index 2
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] */
var array = [1, 2, 3, 4, 5, 6, 7, 8, 9, 0]; var filtered = array.filter(function(value, index, arr){ return value > 5; }); //filtered => [6, 7, 8, 9] //array => [1, 2, 3, 4, 5, 6, 7, 8, 9, 0]
var ar = [1, 2, 3, 4, 5, 6]; ar.pop(); // returns 6 console.log( ar ); // [1, 2, 3, 4, 5]
var ar = [1, 2, 3, 4, 5, 6]; ar.length = 4; // set length to remove elements console.log( ar ); // [1, 2, 3, 4]