Odstráňte zodpovedajúci prvok z JavaScriptu poľa
Príklady kódu
odstrániť prvok z poľa v 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))Ako môžem odstrániť konkrétnu položku z poľa
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); odstránenie hodnoty do poľa JavaScriptu
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];Podobné stránky
Podobné stránky s príkladmi
V iných jazykoch
Táto stránka je v iných jazykoch
empty row
Русский
..................................................................................................................
English
..................................................................................................................
Italiano
..................................................................................................................
Polski
..................................................................................................................
Română
..................................................................................................................
한국어
..................................................................................................................
हिन्दी
..................................................................................................................
Français
..................................................................................................................
Türk
..................................................................................................................
Česk
..................................................................................................................
Português
..................................................................................................................
ไทย
..................................................................................................................
中文
..................................................................................................................
Español
..................................................................................................................
Балгарскі
..................................................................................................................
Íslensk
..................................................................................................................
Populárne v tejto kategórii
Populárne stránky s príkladmi v kategórii
empty row