var – JavaScript

var is a javascript keyword, used to declare a variable. variable declared with var has functionedscope or global scope. Before…

Javascript Identifiers

In javascript, variables have meaningful names, these names are called identifiers. Identifiers are unique, it means once a variable name…

Iframes – HTML

Display a webpage inside a webpage. Syntax iframe attributes height sets height of iframe. width sets width of iframe. src…

Id – HTML

It is an attribute of all html elements, used to uniquely identify Html elements. it gives unique identity to html…

Class – HTML

Class is an attribute or property of all html elements, used to apply style or css to change look and…