JQuery Tutorial

This section focuses on the jQuery interview questions and answers. These are the prominent jQuery questions  that are asked for for jobs related to jQuery technology What do you mean by JQuery? JQuery is Java Script library or Java Script Framework. It helps software engineer to decrease lines of code as enormous code written in […]

The JQuery Architecture is explained here. JQuery is a java script library with API. This helps to manipulate DOM or HTML by using CSS syntax, event handling, animation, and ajax interactions.       JQuery find the matched elements and returns the object similar to an array. When .addClass on the jQuery object the jQuery library […]

The jQuery utility methods are useful for doing routine programming tasks. The utility methods uses $.namespace.For form validation we commonly use 3 utility methods. 1) empty: – The empty() method helps to check if an element has a value or not. 2) exists: – The exists() method can be used to check whether or not […]

For the development of Ajax jQuery uses various libraries of methods or functions.  Ajax stands for Asynchronous JavaScript and XML. This is a technique for creating fast and dynamic web pages. Ajax permits web pages to be updated asynchronously by exchanging small amounts of data with the server behind the scenes. That is it is […]

JQuery uses the css() method for CSS manipulation. To perform various task the css() uses three different syntaxes. They are, css(name):- This method return CSS property value. css(name,value):- This method to set CSS property and value. css({properties}) – This uses to set multiple CSS properties and values. Syntax for return CSS property: – $(this).css(“background-color”); In […]

JQuery uses powerful methods or functions for changing and manipulating HTML elements and attributes. The HTML manipulations are 1)  Changing the HTML content The html() method helps to change the contents or innerHTML of selected elements. Syntax: – $(selector).html(content) Eg: – <!DOCTYPE html> <html> <head> <script type=”text/javascript” src=”jquery.js”></script> <script type=”text/javascript”> $(document).ready(function() { $(“button”).click(function() { $(“p”).html(“Hai”); […]

JQuery provides an interface for creating amazing effects. For creating the visual effect we are using the following methods. They are, 1)   hide():-This function hides the selected elements. Syntax: – $(selector).hide(speed,callback) The parameter speed defines the speed of the hiding and takes the values as slow, fast, normal or milliseconds. Eg: – <!DOCTYPE html> […]

The event jQuery event handling methods are core functions in jQuery. When something happened in HTML we are calling the event handling methods. Here we are using the term “triggered (or “fired”) by an event”. Commonly we put J\jQuery code into event handler methods in the <head> section. Eg: – <!DOCTYPE html> <html> <head> <script […]

JQuery selectors are the parts of the jQuery library. The jQuery selectors are used to select and manipulate HTML elements as a single element or as a group. JQuery selectors are needed at every step while using jQuery. The selector’s permits to extract the exact element/attribute you want from your HTML document. JQuery supports the […]

Jquery attributes contributes to the popularity of jquery.THhe jquery get attributes, data attributes and css attributes are the most common Jquery attributes that is being used.For manipulating JQuery elements we are using DOM (Document Object Model) node properties. Manipulating the basic components we can use DOM elements and the DOM elements are the properties and […]