how to replace an element in array in js code example

Example 1: replace array element javascript

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

Example 2: replace element in array typescript

const index: number = items.indexOf(element);

if (index !== -1) {
    items[index] = newElement;
}

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

Array.splice(position,0,new_element_1,new_element_2,...);Code language: JavaScript (javascript)