The on() method attaches one or more event handler functions for one or more events to the selected elements. Event handlers attached using the jQuery on() method will work for both current and future elements i.e. dynamic element created by a script. Note: As of jQuery version 1.7, the jQuery on() method is the new […]
jQuery bind() function is used to attach one or more event handler to elements, while the unbind() is used to removes an existing event handler from elements. As of jQuery version 1.7, jQuery on() method is the preferred method rather than jquery bind and unbind for attaching event handlers for selected elements. bind() : A basic […]
Using delegate and undelegate in jQuery, you can bind or remove a handler from the event for all elements that matches the current selector. Basically, these methods achieve the same thing as the jQuery .live() and .die() methods but they just use a different syntax. Syntax of Delegate: $(selector).delegate(childSelector,event,data,function) Example of jQuery Delegate: $(“table”).delegate(“td”, “hover”, […]
Autosize is a small jQuery plugin that allow textarea autosize making height dynamically so that it expands as based on visitor input. You can implement textarea autosize by calling the .autosize() method on any textarea element. Example of textarea autosize: $(‘textarea’).autosize(); For implementation autosize in your website you need to follow below steps: Include jQuery […]
Using jsPDF library, you can download the div containing graphs, tables, contents as a PDF. This is a HTML5 client-side solution for generating PDFs. Simply include library in your <head>, generate your PDF using the many built-in functions, then create a button to trigger the download. <script type=”text/javascript” src=”http://cdnjs.cloudflare.com/ajax/libs/jspdf/0.9.0rc1/jspdf.min.js”></script> Create a object: var doc = […]
One of the very common thing which confuse you while writing JavaScript is knowing when to use “call” and when to use “apply”. Let’s look at following example: var person1 = {name: ‘John’, age: 52, size: ‘2X’}; var person2 = {name: ‘Jane’, age: 26, size: ‘5X’}; var sayHello = function(){ alert(‘Hello, ‘ + this.name); }; […]
PHP, Hypertext Preprocessor is a Open Source Language which is trend in the 20th century for creating and developing fast and dynamic web pages. This is also Server Side Scripting Language with a powerful tool for creating dynamic web pages. Lets see the difference between PHP version 4 and 5. Here is the difference between […]
Yoast SEO works in a way to choose a focus keyword for your articles, and then makes sure that you use that focus keyword everywhere. But Yoast SEO turns the canonical URLs ON always. It has different types of features: – Page Analysis – Search Engine Optimization – XML Sitemaps – Meta & Link Elements […]
The :visible selector check if an elements are hidden in jQuery by selecting each and every elements in a DOM that is currently visible or not. But visible elements are elements which are not: – set to display:none – width and height set to 0 – form elements with type=”hidden” – parent is set as […]
CakePHP is a free, open-source, rapid development framework for PHP. It’s a foundational structure for programmers to create web applications. There is number of in built component like Ajax, RequestHandler, Session etc. Question: What are the drawbacks of cakephp? Answer : The learning curve, and it loads full application before it starts your task. Its […]