Nov 29, 2013 · jQuery is a JavaScript library, that can be used for communicating (selecting html elements, attaching event listeners, animations etc.) with the DOM, creating and consuming AJAX requests, as well as other things in a more easier way rather than using plain JavaScript. jQuery is written in JavaScript.

Dec 28, 2011 · JQuery has a function called jQuery.noConflict(); which relinquishs jQuery's control of the $ variable making $ not work with jQuery. This would be good for using more than one library that use $. So you when you use jQuery you would do jQuery('#message').addClassName('read'); and $('#message').addClassName('read'); when …

Jan 15, 2014 · Ajax (Asynchronous Javascript and XML) is a subset of javascript. Ajax is way for the client-side browser to communicate with the server (for example: retrieve data from a database) without having to perform a page refresh. jQuery is a javascript library that standardizes the javascript differences cross-browser. jQuery includes some ajax ...

Javascript is a programming language (objects, array, numbers, strings, calculations) AJAX and jQuery uses Javascript; jQuery is for simplifing common tasks with AJAX and page manipulation (style, animation, etc.) Finally, an example just to see some syntax:

Dec 11, 2008 · == means comparison between operands with type coercion. and === means comparison between operands without type coercion. Type coercion in JavaScript means automatically converting data types to other data types. For example: 123 == "123" // Returns true, because JS coerces string "123" to number 123 // …

The second one, jQuery equivalent will return a jQuery object containing a collection of either zero or one DOM element. (jQuery documentation). Internally jQuery uses document.getElementById() for efficiency. In both the cases if more than one element found …

Mar 25, 2017 · @t.niese, jquery is not part, because it's library, which can be used in any browser, but fetch is not. fetch is part of javascript and javascript is part of the browser. – Alexan Commented Mar 28, 2017 at 19:03

When you pass this to the jQuery constructor, you are passing the current element for a jQuery object to be constructed with. The jQuery object then contains an array-like structure of the DOM elements matching the selector (or just the single element in the case of this). Once the jQuery object is constructed, the jQuery API is now exposed.

Apr 30, 2009 · I loaded some content with jQuery dynamic - the funny part was when I clicked the save button. After that action the content in the textarea didnt change anymore. With setting content with .val('content') this problem didnt appear.

Jan 25, 2012 · differences between click of jquery and addEventListener("click") in pure javascript 0 Transform jQuery.on(event,selector,func) to .addEventListener(event, func) particularly the selector part and event bubble following the DOM tree