remove element from list with specific index javascript code example

Example 1: remove all from array that matches

var array = [1,2,'deleted',4,5,'deleted',6,7];
var newarr = array.filter(function(a){return a !== 'deleted'})

Example 2: remove object in array javascript

//1
someArray.shift(); // first element removed
//2
someArray = someArray.slice(1); // first element removed
//3
someArray.splice(0, 1); // first element removed
//4
someArray.pop(); // last element removed
//5
someArray = someArray.slice(0, a.length - 1); // last element removed
//6
someArray.length = someArray.length - 1; // last element removed