replace an 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: replace specific values in array

var fruits = [“banana”, “apple”, “orange”, “watermelon”, “apple”, “orange”, “grape”, “apple”];
fruits.splice(0, 2, “potato”, “tomato”);
console.log(fruits); // returns [“potato”, “tomato”, “orange”, “watermelon”, “apple”, “orange”, “grape”, “apple”]

Example 4: how to remove the elements from array and how to replace a new element in javascript

console.log(scores); //  [4, 5]Code language: JavaScript (javascript)