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Preparing for a web development interview? Donu2019t miss these essential jQuery interview questions! Covering basics to advanced topics like DOM manipulation, event handling, AJAX, and jQuery plugins, this guide is ideal for freshers and experienced developers. Strengthen your frontend skills and confidently answer jQuery-based questions in your next technical round.
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Tpoint Tech jQuery Interview Questions This presentation provides an overview of jQuery and its importance in web development, focusing on common interview topics for 2025 with practical examples and key concepts explained. https://www.tpointtech.com/jquery-interview-questions +91-9599086977
What is jQuery? Fast & Small Simplifies Web Tasks Feature-rich JavaScript library DOM traversal, event handling, animation, AJAX Cross-Browser Dynamic Web Pages Consistent API across platforms Widely used for interactivity Jquery Tutorial
Key Features of jQuery • DOM selection (CSS-like Sizzle engine) • Unified event handling (delegation support) • Built-in animations & effects (fade, slide) Jquery Tutorial AJAX methods for asynchronous communication, extensible via plugins and utilities (deferred, promises).
Advantages of Jquery Lightweight & Fast 1 Minified file is ~50% smaller Cross-Browser 2 Supports modern browsers & IE9+ Concise Syntax 3 Simplifies complex JS tasks Easy to Learn 4 Beginner-friendly Vast Ecosystem 5 Thousands of plugins Jquery Tutorial
jQuery vs JavaScript Library built on JS Full programming language Focus: DOM & UI tasks More flexible, verbose Concise syntax, method chaining Manual handling of browser inconsistencies Abstracts browser inconsistencies Requires manual handling Example: $('#id').text('Hello') Example: document.getElementById('id').textContent = 'Hello' Jquery Tutorial
Common Interview Questions $ Symbol 1 Alias for jQuery() function Inclusion Methods 2 CDN, local file, direct download .bind() vs .on() 3 Event handling differences Element Selection 4 ID, class, attribute selectors Event Delegation 5 Bubbling explanation Jquery Tutorial
jQuery Selectors, Events & AJAX Selectors Event Handling AJAX • $('#id') • Use .on() for dynamic elements • $.ajax() • $('.class') • Replaces deprecated .bind() & .live() • $.get() • $('div[attr=value]') • Example: $(document).on('click', 'button', function() { alert('Clicked!'); }); • $.post() • $('*') for all elements • Simplify asynchronous calls without page reload Jquery Tutorial
Summary jQuery remains relevant for rapid, cross-browser web development. Key Interview Focus Master Practices Prepare • Selectors • Understand differences with vanilla JavaScript • Practical coding examples • Event handling • Up-to-date best practices • Master common patterns like event delegation & plugin usage • AJAX • Advantages https://www.tpointtech.com/jquery-interview-questions +91-9599086977 Jquery Tutorial