What is jQuery ?
As a web-developer the user makes daily make use of jQuery for client-side development as it provides a powerful set of features that can be used to build applications but do you know some of the key tips, tricks that can be used to reduce code, promote re-use & simplify maintenance?
With all the innovation & development taking place in the jQuery project, one of the easiest ways to improve the performance of your web site is to simply use the latest version of jQuery. Every release of the library introduces optimizations and bug fixes and most of the time upgrading involves only changing a script tag.
Using latest Version jQuery-The developers should always use the latest version of jQuery, which is one of the easiest ways to improve the performance of the websites.
Keep Selectors Simple-jQuery provides the developers with large numbers of selectors for their convenience, and accessing the DOM is slow in JavaScript applications, so the developers should try to minimize it. All the major browsers now support the querySelectorAll(), it understands CSS query selectors and brings a significant performance gain. Earlier retrieving DOM elements with jQuery was of
jQuery objects as Arrays-jQuery object is a result which comes out on running a selector, the library makes it appear as if you are working with an array once you define the index elements and length. With the use of simple for ( or while) loop, you can make it run faster instead of $.each()
Using HTML5 data attributes-The same is useful for the developers as it is helpful in exchanging data between the server and the frontend. It is used to embed the data in a web page, with the updates of jQuery data() method, the data attributes of HTML5
Using delay () for Animations-It is one of the most powerful tools in the toolbox of every developer, with the help of this tool the developers can create a delay in animations and make the transition so smooth it will look like that nothing has happened.
Use CSS Hooks-The CSS hooks API provides the developers the facility to get and set CSS values, using it the developers can hide the browser-specific implementations. A rich library of CSS hooks is already available for developers that are free for use.
Set Global AJAX Defaults-An indication needs to be displayed when an AJAX request is triggered, this indication can be done by displaying a loading animation or a using a dark overlay.
Using jQuery Plugin-Consider your codes converting into a plugin, plugins promote code reuse, limit dependencies, and help you to organize your project’s codebase.
Determine the weight of your page-The more content, your page contains the more time is taken by the browser to render or we can say the more time it takes to display, the user can get a quick count of DOM elements on the page by running this in the console. Once knowing the redundant markup and unnecessary elements, you can optimize your page, which will help in the faster rendering of the website.
Local Storage and jQuery-Local Storage is a dead-simple API for storing information on the client-side. Simply add your data as the property of the global localStorage object.
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