Answer:- When given a jQuery object that will represent a set of DOM elements, the filter() method will construct a new jQuery object from the subset of matching elements. The supplied selector is now tested against each element; all the elements that are matching the selector will be included in the given result.

Answer:- We use the jQuery serialize() method to create a text string in standard URL-encoded notation. It is mainly used in form controls such as input, < textarea>, < select> etc. It will serialize the form values so that its serialized values are used in the URL query string while making an AJAX request.

Answer:- We use addclass() jQuery method to add CSS class to the element. xample: (A small snippet of code is given below to add a class) $(document).ready(function() { $("#btn").click(function() { $("#para").addClass("change"); }); });

Answer:- The val() method in jQuery is mainly used to get the values of the form elements. This method does not accept any arguments. This method will return a NULL when no option is selected, and in the case of one or more selections, it returns an array that contains the value of each selected option.

Answer:- There are two types of CDN:1. Google: It loads the jQuery from Google libraries API. 2. Microsoft: It loads the jQuery from AJAX CDN.

Answer:- To globally disable the animation using jQuery, you have to use jQuery. fx. off() method.

Answer:- We use the animate function to apply a custom animation effect to elements. Syntax: $(selector).animate({params}, [duration], [easing], [callback])

Answer:- AJAX (Asynchronous JavaScript and XML) is a technology that helps us to load the data from the server without refreshing a browser page. JQuery is a tool that provides a rich set of AJAX methods to develop the next-generation web application.

Answer:- The ajax load() method will load the data from the server and puts the returned data back into the selected element.

Answer:- The DOM events are as follows: 1. Form 2. Keyboard 3. Mouse 4. Browser 5. Document Loading

Answer:- 1. Cross-browser support 2. Simple methods to use 3. The ability to send the requests like “GET” and “POST.” 4. Ability to Load XML, XML, HTML or Scripts

Answer:- • onload() The Body.Onload() event is called only after DOM, and associated resources such as images get loaded. • Document.ready() The jQuery’s document.ready() event is called once DOM is loaded, and it will not wait for the resources like images to be loaded.

Answer:- The Bootstrap will use jQuery for JavaScript plugins such as models, tooltips, etc. But, if only the CSS part of Bootstrap is used, then you dont need jQuery.

Answer:- • jquery.min.js • The min. js is nothing else but the compressed version of jquery. • .min removes all unnecessary characters in order to make the file size smaller. • jquery.js • jQuery.js is pretty and easy to read. • It does not remove unnecessary characters.