how to replace array element in javascript code example

Example 1: replace array element javascript

// Replace 1 array element at index with item 
arr.splice(index,1,item);

Example 2: javascript replace array element

array.splice(array.indexOf(valueToReplace), 1, newValue);

Example 3: how to remove the elements from array and how to replace a new element in javascript

let scores = [1, 2, 3, 4, 5];Code language: JavaScript (javascript)