Odstrániť
Príklady kódu
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"]odstrániť položku zo zoznamu javascript
const array = [1, 2, 3];
const index = array.indexOf(2);
if (index > -1) {
array.splice(index, 1);
}ako odstrániť položku z poľa v JavaScripte
pop - Removes from the End of an Array.
shift - Removes from the beginning of an Array.
splice - removes from a specific Array index.
filter - allows you to programatically remove elements from an Array.odstrániť prvok z JavaScriptu poľa
let fruit = ['apple', 'banana', 'orange', 'lettuce'];
// ^^ An example array that needs to have one item removed
fruit.splice(3, 1); // Removes an item in the array using splice() method
// First argument is the index of removal
// Second argument is the amount of items to remove from that index and on
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