how do you remove a remove element from array in javascript
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"]remove element from array in js
var myArray = ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"];
//removing element using splice method --
//arr.splice(index of the item to be removed, number of elements to be removed)
//Here lets remove Sunday -- index 0 and Monday -- index 1
myArray.splice(0,2)
//using filter method
let itemToBeRemoved = ["Sunday", "Monday"]
var filteredArray = myArray.filter(item => !itemToBeRemoved.includes(item))how to delete element in array in javascript
let value = 3
let arr = [1, 2, 3, 4, 5, 3]
arr = arr.filter(item => item !== value)
console.log(arr)
// [ 1, 2, 4, 5 ]remove in javascript
function arrayRemove(arr, value)
{
return arr.filter(function(ele){
return ele != value;
});
}
//var result = arrayRemove(array, 6);// result = [1, 2, 3, 4, 5, 7, 8, 9, 0]how to remove an element from an array javascript
let myArray = [3, 1, 4, 1, 5, 2];
let unwantedElementIndex = 3;
// This line removes 1 element from the array, starting at the unwantedElementIndex
myArray.splice(unwantedElementIndex, 1);
// If you have your custom test to remove an element just go for
// Higher-Order functions
let myArray = ["[email protected]", "wrong@[email protected]", "..."];
const emailRegexp = ____;
let allCorrectEmails = myArray.filter(element => emailRegexp.test(element));Copyright © 2021 Codeinu
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