remove number from arr js code example
Example 1: js remove from array by value
const index = array.indexOf(item);
if (index !== -1) array.splice(index, 1);
Example 2: js array delete specific element
var arr = [1, 2, 3, 4, 5, 6, 7, 8, 9, 0];
var removed = arr.splice(2,2);
/*
removed === [3, 4]
arr === [1, 2, 5, 6, 7, 8, 9, 0]
*/