Tech freak

 If any event fired on a DOM element it will also fired on all of its parent element which is called the event bubbling. So, the element eve...

 N.B- we can iterate an array using foreach and map in javascript like below- var arrays = [1,2,3,4,5]; //foreach arrays.forEach(function(cu...

slice()- returns a shallow copy of a portion of given array . ex: var a=['j','u','r','g','e','n...