Everything you need as a full stack web developer

What is AJAX?

- Posted in Frontend Developer by

AJAX is a web technique enabling partial page updates without reloads by using JavaScript and XMLHttpRequest to fetch XML/JSON and dynamically change HTML/CSS. It powers fast, interactive UIs (autocomplete, live feeds, real-time booking), cuts server load, improves performance, and enables single-page apps. The article explains components, workflow, a travel search example, and suggests next steps and resources.
A hands-on guide to building a basic HTML5 canvas drawing app using mouse events: click and drag to sketch smooth lines, customize stroke width, caps, joins, and colors, and extend it with features like color pickers, erasers, saving/exporting, plus a showcase use case—an interactive digital art gallery with hover tooltips, fullscreen viewing, artist profiles, tags, and filtering.
Guide to building a simple, extensible multiple-choice quiz app with HTML/CSS/JS and Node.js/Express, backed by MongoDB/Mongoose. Covers project setup, dynamic question rendering on the frontend, REST endpoints for fetching and submitting answers, plus a workflow adding auth, real-time scoring, feedback, score persistence, and a leaderboard, forming a solid foundation for learning apps.
Article guides developers to build a simple, customizable dark/light theme toggle with HTML, CSS and vanilla JavaScript, using a body class and localStorage to remember user preference across visits. It explains the UX value of honoring customization, shows click handling and startup loading, and argues that persistence boosts comfort and engagement.
Guide shows how to build an engaging countdown timer to fuel anticipation for events or launches: pick tools (JavaScript, React, optional Node/Express), design key UI (time display, progress bar, rich background), implement with sample server and React code, then enhance with CSS/animations/social sharing, test and integrate into your site, and promote—illustrated by a virtual conference workflow.
A practical guide to building a responsive navigation menu that adapts from desktop to mobile using HTML, CSS (Flexbox, media queries), and a JavaScript-powered hamburger toggle, emphasizing smooth transitions and accessibility; includes step-by-step setup, styling and toggle logic, testing tips, a non-profit use case with workflow, deliverables, 11-hour timeline, and recommended UX books.
The article explains how to build a dynamic accordion FAQ to enhance UX and maintain a clean layout using HTML (ul/li with h2 headers and content divs), CSS transitions to collapse/expand panels, and JavaScript click handlers to toggle sections; it showcases a fashion e-commerce use case, suggests reuse for knowledge bases, and recommends cross-device testing to improve accessibility and reduce support requests.
Hands-on tutorial for creating a responsive image slider/carousel with HTML, CSS, and JavaScript: build the structure, style it with media queries, add prev/next buttons, and enable 3-second auto-play; test and refine behavior. Ideal for portfolios and landing pages, it boosts UX with clear steps, a reusable workflow, and pointers to usability/design reading.
Step-by-step guide to building a sleek, robust contact form with full client-side validation using HTML5, CSS3, and JavaScript: structure fields with required attributes, validate inputs (including email regex) via JS, style for usability, and test across browsers—delivering instant feedback, fewer failed submissions, and reduced server load, with a small-business use case to illustrate the workflow.
Step-by-step guide to build a clean, responsive blog homepage using semantic HTML, CSS grid/flexbox, and light JavaScript: create a header, hero, article previews with images/excerpts, and a sidebar for popular posts, categories, and search; add accordion interactions, QA across devices, and launch with strong CTAs—boosting scanability, engagement, and brand presence (e.g., TechTrends revamp).
Guide to mastering Chrome DevTools' Sources panel for JavaScript debugging: navigate files, edit code, set and manage breakpoints, inspect call stacks, scopes, watch expressions, and evaluate code to trace issues. Includes a step-by-step workflow for diagnosing real-time API request problems in a mobile app, tips for iterative debugging, and book recommendations for deeper learning.
This article shows fullstack developers how mastering Chrome DevTools Console elevates debugging beyond console.log: run JavaScript from the command line, inspect objects and real-time errors with severity filters, set breakpoints, step through async/await, and profile performance, illustrated by an e-commerce image-loading workflow to pinpoint issues and deliver faster, more maintainable code.
This article walks through building a full-stack todo list app: an HTML5/CSS3/JavaScript UI (home, task list, new task form) and a Node.js + Express API backed by MongoDB/Mongoose to create, read, update, and delete tasks, with due dates, filtering by category, and sorting by priority/date/category, including example schemas, routes, and frontend code for submitting and rendering tasks.
Hands-on guide to building a simple calculator from scratch with HTML, CSS, and JavaScript: set up the UI, style it, and wire buttons for clear, delete, operators, and equals to perform basic arithmetic. Includes code snippets, ideas for enhancements (decimals, history), a small-bakery use case with inventory integration and custom buttons, and books to deepen front-end and JS skills.
This article shows how to build a polished 5‑star rating UI with CSS and JavaScript: design SVG star icons and hover styles, wire click/hover events to update selected states and the current rating, and provide instant visual feedback. It includes an e‑commerce use case, ideas for real‑time displays and animations, integration with reviews, and recommended UX books for deeper learning.
The article shows how to use JavaScript’s submit event to intercept form submissions, prevent default behavior, validate inputs, and send data via fetch/AJAX for instant feedback. It demonstrates attaching a submit listener, handling errors, and posting JSON, with an e-commerce order form example that enables real-time checks, fewer unnecessary requests, and a smoother, more reliable user experience.
Deep dive explains JavaScript arrow functions: concise ES6 syntax for small, anonymous one-liners and event handlers; contrasts with traditional functions on this binding, prototypes, implicit returns, and hoisting; notes trade-offs for complex logic and debugging; shows a calculator example; advises balancing clarity, maintainability, and performance when choosing between styles.
Explains JavaScript’s elusive 'this' keyword across contexts—global scope, object/method calls, arrow functions with lexical binding, ES6 classes and constructors—showing how call-site and surrounding scope determine behavior, illustrated by a task-assignment workflow, to help avoid pitfalls and write robust, maintainable code.
The article explains JavaScript cookies—small browser-stored text files used to remember logins, preferences, and navigation—covering the Set-Cookie/HTTP flow, simple JS functions to set/get values, and key uses like authentication, preference management, and analytics; it emphasizes HTTPS, expirations, and size limits, and illustrates with an e-commerce example powering faster recommendations.
JavaScript strict mode ('use strict') is an ES5 opt-in that tightens JS to catch bugs and block risky patterns: no implicit globals, stricter assignments, clearer declarations with let/const, fewer coercion surprises. Enable by placing 'use strict' at file/top-level, refactor and test. Result: cleaner, safer, more maintainable code—illustrated by an online shopping cart team reducing bugs and improving security.
Explains the browser window object as JavaScript’s global scope: variables declared outside functions become window properties accessible via dot/bracket notation; surveys key APIs (location, navigator, screen, history, document, viewport/scroll metrics); shows a simple expense tracker using window.totalSpent; warns about global name collisions and suggests encapsulation; lists book recommendations.
This article demystifies JavaScript’s Math object, showing how to use Math.random() for randomness (including min–max ranges) and Math.round/ceil/floor—plus a fixed‑decimal trick—to control precision, with a step‑by‑step avatar generator example and practical tips for games, simulations, charts, and data formatting to build dynamic, accurate, and engaging applications.
Beginner’s guide to JavaScript’s Date object: understand moments in time, create dates, read components (getTime, getHours/Minutes/Seconds, getDate/Month/FullYear), format with toLocaleString, and modify via set* methods. Walkthrough builds a simple calendar (input, validation, manipulation, display, events, errors) with example code, key takeaways, and recommended books.
This article shows how JavaScript template literals (backticks) simplify string work by embedding variables and expressions, supporting multiline text, and improving formatting—cutting errors and boilerplate. It illustrates syntax and real uses like dynamic HTML, URLs, and reports/invoices, emphasizing readability, maintainability, and developer efficiency, with examples, a key use case walkthrough, and recommended resources.
A practical guide to JavaScript’s setInterval: how to run code on a recurring schedule, its syntax and task-queuing behavior, starting/stopping with IDs and clearInterval, best practices (store the ID, choose sensible intervals, adjust dynamically), and common uses—dashboards, notifications, background tasks, simulations—with a weather-update example, underscoring setInterval as a core tool for interactive apps.
Fullstack.ist offers meaningful insight into a broad range of topics. Fullstack.ist offers meaningful insight into a broad range of topics.
Backend Developer 102 Being a Fullstack Developer 107 CSS 109 Devops and Cloud 70 Flask 108 Frontend Developer 357 Fullstack Testing 99 HTML 171 Intermediate Developer 105 JavaScript 206 Junior Developer 124 Laravel 221 React 110 Senior Lead Developer 124 VCS Version Control Systems 99 Vue.js 108