javascript push in specific index
arr.splice(index, 0, item);
//explanation:
inserts "item" at the specified "index",
deleting 0 other items before itjavascript push in specific index
arr.splice(index, 0, item);
//explanation:
inserts "item" at the specified "index",
deleting 0 other items before itjavascript insert item into array
var colors=["red","blue"];
var index=1;
//insert "white" at index 1
colors.splice(index, 0, "white"); //colors = ["red", "white", "blue"]insert into array js
// for me lol... pls don't delete!
// use splice to insert element
// arr.splice(index, numItemsToDelete, item);
var list = ["hello", "world"];
list.splice( 1, 0, "bye");
//result
["hello", "bye", "world"]js insert in array
const months = ['Jan', 'March', 'April', 'June'];
months.splice(1, 0, 'Feb');
// inserts at index 1
console.log(months);
// expected output: Array ["Jan", "Feb", "March", "April", "June"]
months.splice(4, 1, 'May');
// replaces 1 element at index 4
console.log(months);
// expected output: Array ["Jan", "Feb", "March", "April", "May"]add elements to an array with splice
var fruits = ["Banana", "Orange", "Apple", "Mango"];
document.getElementById("demo").innerHTML = fruits;
function myFunction() {
fruits.splice(2, 0, "Lemon", "Kiwi");
document.getElementById("demo").innerHTML = fruits;
}Copyright © 2021 Codeinu
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