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jQuery vs JavaScript jQuery was created in 2006 by John Resig. It was designed to handle Browser Incompatibilities and to simplify HTML DOM Manipulation, Event Handling, Animations, and Ajax. For more than 10 years, jQuery has been the most popular JavaScript library in the world. However, after JavaScript
(2009), most of the jQuery utilities can be solved with a few lines of standard JavaScript:
Return the element with id="id01":
jQuery myElement = $("#id01");
myElement = document.getElementById("id01");Formula
Return all < p > elements:jQuery myElements = $("p");
myElements = document.getElementsByTagName("p");Return all elements with class="intro".
jQuery myElements = $(".intro");
myElements = document.getElementsByClassName("intro");Formula
Return a list of all < p > elements with class ="intro".jQuery myElements = $("p.intro");
myElements = document.querySelectorAll("p.intro");