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jQuery Tutorial 10 🚀
â–º https://youtu.be/RrWC7ir4i4g?si=Vf5Hk4fK_5rig8ws â–º Discover how to use the jQuery css() method in this tutorial! Learn how to dynamically change the style of elements on your webpage with simple jQuery commands for a more interactive design.
jQuery Tutorials Playlist: â–º https://www.youtube.com/playlist?list=PLdE8ESr9Th_vu5OoXCwcHsudbR7qw82uU
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CSS (Cascading Style Sheets) is the backbone of modern web design, enabling developers to create visually appealing and responsive websites.
uerthttps://enkling.com/read-blog/44878
jQuery Made Simple: From Basics to Advanced
Introduction
jQuery is a fast, small, and feature-rich JavaScript library that simplifies HTML document traversal, event handling, animation, and Ajax interactions. Created in 2006 by John Resig, it quickly became one of the most widely used JavaScript libraries in web development. For beginners, jQuery offers an easy way to make websites interactive without writing complex JavaScript code.
This jQuery tutorial will guide you from basic jQuery concepts to advanced techniques, helping you enhance your web pages efficiently.
Why Learn jQuery?
Simplified Syntax – jQuery uses concise syntax, reducing the amount of code compared to vanilla JavaScript.
Cross-Browser Compatibility – Works consistently across major browsers without extra effort.
DOM Manipulation – Easy to select, modify, and animate HTML elements.
Event Handling – Simplifies attaching events like clicks, hovers, and form submissions.
Ajax Support – Load data asynchronously without refreshing the page.
Plugins – Thousands of plugins available for additional functionality.
Setting Up jQuery
You can include jQuery in your project either via a CDN or by downloading the library.
Using CDN:<!DOCTYPE html> <html> <head> <title>jQuery Example</title> <script src="https://code.jquery.com/jquery-3.6.0.min.js"></script> </head> <body> </body> </html>
Using local file:
Download jquery.min.js from jQuery website and include:
<script src="jquery.min.js"></script>
Basics of jQuery
1. Document Ready Function
To ensure the DOM is fully loaded before running jQuery code:$(document).ready(function(){ console.log("DOM is ready!"); });
Or shorthand version:$(function(){ console.log("DOM is ready!"); });
2. Selectors
jQuery selectors let you select HTML elements to manipulate:<p id="para1">Hello</p> <p class="text">World</p> // By ID $("#para1").text("Hello jQuery"); // By Class $(".text").css("color", "blue"); // By Tag $("p").hide(); // Hides all paragraphs
3. Event Handling
jQuery makes it easy to handle events:$("#btn").click(function(){ alert("Button clicked!"); }); $("input").focus(function(){ $(this).css("background-color", "yellow"); });
4. DOM Manipulation
Change HTML content:$("#para1").html("New content here");
Change CSS styles:$(".text").css({ "color": "red", "font-size": "20px" });
Add/Remove elements:$("body").append("<p>Appended paragraph</p>"); $("p:last").remove(); // Removes last paragraph
5. Animations
jQuery provides built-in animation methods:$("#box").hide(); // Hides element instantly $("#box").show(); // Shows element $("#box").fadeOut(1000); // Fade out in 1 second $("#box").slideUp(500); // Slide up in 0.5 seconds
Custom animations:$("#box").animate({ left: '250px', opacity: 0.5 }, 1000);
6. Ajax with jQuery
jQuery simplifies making asynchronous HTTP requests:$.ajax({ url: "data.json", type: "GET", dataType: "json", success: function(response){ console.log(response); }, error: function(error){ console.log("Error:", error); } });
Simpler version using $.get():$.get("data.json", function(data){ console.log(data); });
7. jQuery Plugins
Plugins extend jQuery functionality. Examples:
Sliders – Slick Slider, Owl Carousel
Form validation – jQuery Validation
Modals/Popups – Fancybox, Lightbox
Using a plugin:$(document).ready(function(){ $("#slider").slick({ autoplay: true, dots: true }); });
Tips for Beginners
Start Small – Practice with simple DOM manipulations first.
Use Console – Check outputs in browser console for debugging.
Combine with CSS – jQuery works best when paired with CSS for animations and styling.
Avoid Overuse – Use jQuery for interactive elements, not for everything; modern vanilla JS can handle many tasks efficiently.
Learn Plugins – Plugins save development time for complex features.
Conclusion
jQuery is a powerful tool to enhance user experience on websites by making them interactive and dynamic. By mastering selectors, event handling, DOM manipulation, animations, and Ajax, you can create professional, responsive web applications. Even with the rise of modern frameworks like React or Vue, the jQuery Tutorial remains a valuable skill for web developers working with legacy projects or simpler websites.
jQuery Tutorial - Tpoint Tech
Learn how to use jQuery with our comprehensive jQuery Tutorial. Perfect for beginners and developers, this guide covers essential concepts like selectors, events, effects, and AJAX. Simplify JavaScript coding and enhance your web development skills with hands-on examples and step-by-step instructions. Start mastering jQuery today and build interactive, dynamic websites with ease.
Visit for more information: https://www.tpointtech.com/jquery-tutorial
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Brief History of jQuery - jQuery Tutorial 03 🚀
Brief History of jQuery - jQuery Tutorial 03 🚀 ► https://youtu.be/c_BNdMalVl8?si=LqsuxXkyO6pkSixU ► Explore the brief history of jQuery! In this video, we dive into how jQuery was created, its rise to popularity, and its impact on web development over the years. Perfect for developers and tech enthusiasts!
jQuery Tutorials Playlist: â–º https://www.youtube.com/playlist?list=PLdE8ESr9Th_vu5OoXCwcHsudbR7qw82uU
Cave Man and `JSON.stringify`
The JSON.stringify() method converts a JavaScript value to a JSON string, optionally replacing values if a replacer function is specified, or optionally including only the specified properties if a replacer array is specified.1
Using javascript, I used to do cave-man debug using console.log(). In some cases, I console.log() to get the data returned from ajax call (using jQuery). E.g:
$.post('/my-url',my-post-data) .done(function(data){ console.log('done'); });
Above code is useful to indicate that our script is succesfully executing done callback. But I also want to log what's inside data. Unfortunately, if I concat data directly:
console.log('done'+data);
It will return: done[object Object] which is not what I want.
Well, that makes sense since the data is an object. So, here is where JSON.stringify() come to help. Just wrap the data:
console.log('done:'+JSON.stringify(data));
And it will return:
done:{"sample1":"sample-data-1","sample2":"sample-data2"}
That is one of my experience using JSON.stringify(). See you to the next post :D
https://developer.mozilla.org/en/docs/Web/JavaScript/Reference/Global_Objects/JSON/stringify ↩︎
