Ako odstrániť špecifický index z poľa v JavaScripte
Príklady kódu
odstrániť konkrétny prvok z poľa
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"]odstráňte konkrétny prvok z poľa
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"]JavaScript odstrániť z poľa podľa indexu
//Remove specific value by index
array.splice(index, 1);js pole odstrániť špecifický prvok
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]
*/js pole odstránenie konkrétneho prvku
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]
*/odstrániť položku v indexe v JavaScripte poľa
// remove element at certain index without changing original
let arr = [0,1,2,3,4,5]
let newArr = [...arr]
newArr.splice(1,1)//remove 1 element from index 1
console.log(arr) // [0,1,2,3,4,5]
console.log(newArr)// [0,2,3,4,5]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); ako odstrániť konkrétny prvok z poľa v javascripte
var arr = [1, 2, 3, 4, 5, 6, 7, 8, 9, 0]
newArr.splice(1,2)
//remove 1 element from index 2Podobné stránky
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