Taking the general principles of jQuery as an example, we first get the element we need using CSS selectors. Then we simply call any of the built-in methods.

Although most methods can be called without passing any arguments, you might often need to customize their functionality. Each method takes at least the speed and callback parameters.

Speed specifies the duration of the animation in seconds. You can pass string values including “slow”, “normal”, or “fast”, or you can be more precise and specify the time in milliseconds.

callback – a function that runs immediately after the animation is complete. You can use it to do anything you want: quietly execute an AJAX request, refresh another part of the user interface, etc. It’s limited only by your imagination.

Below is a list of methods that come with jQuery:

show/hide – methods for showing or hiding an element. The method takes speed and callback as parameters.
toggle – a method that changes the visibility of an element depending on the current state of the element, that is, if the element is hidden, it is displayed, and vice versa. Uses the show or hide methods.
slideDown/slideUp – speak for themselves. They change the height of the element to create the effect of showing or hiding the element by sliding.
slideToggle – the same as the toggle method, except that it uses the slideDown/slideUp methods to show or hide elements.
fadeIn/fadeOut – they change the transparency of the element of interest to create the effect of gradual appearance/disappearance.
fadeTo – changes the transparency of the element according to the value passed. Obviously, it accepts an additional opacity parameter, and when passed 0, the element will be completely transparent, and when passed 1, it will be completely opaque.

As an additional feature, there is an alternative implementation of the above toggle method, in which it receives an expression as a parameter, depending on the value of which it decides whether to display or hide the element.

For example, if you wanted to change the visibility of only list items with the effect class, your code would look like this:

 $("li").toggle( $(this).hasClass("effect") );

Simply put, the toggle function checks the value of the expression passed to it, and if it is true, it changes to the opposite. Otherwise, it remains the same. The expression we passed here checks whether the element has a certain class.

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People can use JavaScript and jQuery for many purposes. JavaScript is used on the client side and on the server side. It allows individuals to make web pages interactive and is primarily intended for web applications and web browsers. JavaScript is used to display or hide information with a button, change the color of a button, zoom in or out, play audio and video, display animations, or use a hamburger drop-down menu. It is also used to create browser games, web and mobile applications.

jQuery is not a programming language, but a tool to facilitate JavaScript web development. Individuals can even use any JavaScript editor to write jQuery, such as Notepad, Visual Studio, Eclipse, or Ultra edit. jQuery can be used to develop Ajax-based applications to make code simple and reusable, to simplify traversal of the HTML DOM tree, and to perform animations and support Ajax in web applications. jQuery also helps people create flash animated applications. Using jQuery, people only need to know JavaScript and HTML to create animations. Web designers can use many impressive effects to make their designs more elegant.

When using JavaScript, people only need to follow a few simple steps. Programmers can use JavaScript in a web browser, so it doesn’t need to be downloaded and installed. If the browser supports JavaScript, it will be built into the browser and enabled by default. This automation means that people won’t need to change their browser settings if they don’t want to run JavaScript. Many JavaScript downloads are free, so there is no need to pay for scripts written in JavaScript. It’s important to get JavaScript from sites that offer it for free, rather than just copying scripts from anywhere.

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The jQuery design allows developers to write plugin code to extend its capabilities. JQuery plugins cover a wide range of capabilities, including Ajax assistants, web services, data grids, dynamic lists, XML and XSLT tools, drag and drop, events, cookie management, and modal windows, and more.

Developers can integrate a variety of useful features with jQuery plugins. Some of them include:

• Chatbot support
• Video player capabilities
• Pop-ups
• Menu tabs
• And much more

jQuery has a “Learning Center” that can help users learn JavaScript and start developing a jQuery plugin.

Developers can either write their own code from scratch or build on top of an existing framework to create these plugins.

Once an HTML page has been rendered by a browser, the jQuery library makes it easy to modify it. It also includes features for listening to user interaction with your website, creating animations, and communicating with the server without refreshing the page.

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