//removing element by ID
var element = document.getElementById("myElementID");
element.parentNode.removeChild(element);var div = document.getElementById('div-01');
div.remove();//remove a dom element
var element = document.getElementById("someId");
element.parentNode.removeChild(element);
//remove element from array
var colors=["red","green","blue","yellow"];
var blue=colors.splice(2, 1);//first arg is array index to remove
//colors is now ["red","green","yellow"]
var elem = document.getElementById("myDiv");
elem.parentNode.removeChild(elem);