delete all items by value from array javascript code example

Example 1: delete from array based on value javascript

var index = array.indexOf(item);
if (index !== -1) array.splice(index, 1);

Example 2: how can i remove a specific item from an array

const items = ['a', 'b', 'c', 'd', 'e', 'f']
const i = 2
const filteredItems = items.slice(0, i).concat(items.slice(i + 1, items.length))
// ["a", "b", "d", "e", "f"]