“tablica JavaScript Usuń element” Kod odpowiedzi

JavaScript Usuń z tablicy według indeksu

//Remove specific value by index
array.splice(index, 1);
RaFiNhA90

tablica JavaScript Usuń element

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"]
Grepper

Jak usunąć element z tablicy w JavaScript

var data = [1, 2, 3];

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

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

JS usuwają z tablicy według wartości

const index = array.indexOf(item);
if (index !== -1) array.splice(index, 1);
Gorgeous Goosander

Jak usunąć element z tablicy w 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"]
Anxious Anaconda

Usuń element z tablicy w 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))
JavascriptNinja

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