javascript array move element

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showing results for - "javascript array move element"
Gareth
05 May 2017
1function arrayMove(arr, fromIndex, toIndex) {
2    var element = arr[fromIndex];
3    arr.splice(fromIndex, 1);
4    arr.splice(toIndex, 0, element);
5}
6
Damián
06 May 2019
1// Move element '3' to where currently '1' is
2const numbers = [ 1, 2, 3, 4, 5 ]
3const numbersOriginal = Object.assign(numbers)
4const sourceIndex = 2
5const targetIndex = 0
6numbers.splice(targetIndex, 0, numbers.splice(sourceIndex, 1)[0])
7console.log(numbersOriginal)
8console.log(numbers)
Hanna
19 Jun 2019
1function moveElement(array,initialIndex,finalIndex) {
2	array.splice(finalIndex,0,array.splice(initialIndex,1)[0])
3	console.log(array);
4	return array;
5}
6// Coded By Bilal
Abigael
07 Jul 2018
1function moveArrayItemToNewIndex(arr, old_index, new_index) {
2    if (new_index >= arr.length) {
3        var k = new_index - arr.length + 1;
4        while (k--) {
5            arr.push(undefined);
6        }
7    }
8    arr.splice(new_index, 0, arr.splice(old_index, 1)[0]);
9    return arr; 
10};
11
12//move index 1(b) to index 2(c)
13console.log(moveArrayItemToNewIndex(["a","b","c","d"], 1, 2)); // returns ["a", "c", "b", "d"]
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