document delete element by id code example
Example 1: javascript remove element by id
//removing element by ID
var element = document.getElementById("myElementID");
element.parentNode.removeChild(element);
Example 2: remove a particular element from array
var colors = ["red","blue","car","green"];
var carIndex = colors.indexOf("car");//get "car" index
//remove car from the colors array
colors.splice(carIndex, 1); // colors = ["red","blue","green"]