Answers for "removing element from array in javascript"

282

javascript remove 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"]
Posted by: Guest on July-19-2019
2

javascript array remove

// - - - - - - - - - - -
// Remove Last Element (pop)
// - - - - - - - - - - -
// example (remove the last element in the array)
let yourArray = ["aaa", "bbb", "ccc", "ddd"];
yourArray.pop(); // yourArray = ["aaa", "bbb", "ccc"]

// syntax:
// <array-name>.pop();

// - - - - - - - - - - -
// Remove First Element (shift)
// - - - - - - - - - - -
// example (remove the last element in the array)
let yourArray = ["aaa", "bbb", "ccc", "ddd"];
yourArray.shift(); // yourArray = ["bbb", "ccc", "ddd"]

// syntax:
// <array-name>.shift();
Posted by: Guest on December-08-2020
1

remove element from array javascript

let numbers = [1,2,3,4]

// to remove last element
let lastElem = numbers.pop()

// to remove first element
let firstElem = numbers.shift()

// both these methods modify array while returning the removed element
Posted by: Guest on October-01-2020
5

remove element from array javascript

let numbers = [1,2,3,4]

// to remove last element
let last_num = numbers.pop();
// numbers will now be [1,2,3]

// to remove first element
let first_num = numbers.shift();
//numbers will now be [2,3]

// to remove at an index
let number_index = 1
let index_num = numbers.splice(number_index,1); //removes 1 element at index 1
//numbers will now be [2]

//these methods will modify the numbers array and return the removed element
Posted by: Guest on October-28-2020

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