javascript

Fix JavaScript SVG text editor issues where formatting applies to entire elements instead of selections. Use tspan for partial styling, prevent text collapse, with step-by-step code using Selection API.

Discover key differences between JavaScript function declarations and function expressions. Explore hoisting, pros, cons, var function() {} vs function name() {}, and real-world use cases for better coding.

Learn how to generate random numbers in a specified range in JavaScript using Math.random(). Get random integers inclusive or exclusive, floats, and secure options with code examples for dice rolls and more.

Pass and access Node.js command line arguments with process.argv. Examples for positional args, path resolution, validation, and when to use minimist or yargs.

Learn why using async/await inside JavaScript forEach doesn't wait for promises, causing unhandled rejections and early completion. Fix with for...of, Promise.all, Promise.allSettled for sequential, parallel processing.

Learn how to get a Unix timestamp in JavaScript using Date.now() for milliseconds or Math.floor(Date.now() / 1000) for seconds. Covers js get timestamp, conversions, Node.js examples, pitfalls, and helper functions for accurate date and time representation.

Learn javascript date format for '10-Aug-2010' using manual mapping, Intl.DateTimeFormat, or date-fns. Covers js date to string format functions, js string to date parsing, date string javascript examples, and locale-aware options.

Learn to loop through arrays in JavaScript with for loops, for...of (Java enhanced for equivalent), and forEach. Examples, comparisons, sparse arrays handling, and best practices for iteration.

Learn how to get the full current URL in JavaScript using window.location.href and document.URL. Capture on page load, parse parts like protocol, host, pathname, search, hash with examples and pitfalls.

Learn the most efficient way to deep clone objects in JavaScript with structuredClone(). Beats JSON.parse(JSON.stringify()) on speed, handles circular refs. Compare Lodash cloneDeep, performance benchmarks, and best practices for js clone object.

Learn javascript delete operator, Reflect.deleteProperty, object rest/spread to remove properties. Examples for js delete object, js delete object property, js object delete key without mutating.

Enable built-in AirPlay support in Plyr and add Chromecast via official plugin. No third-party libraries needed—just include controls and build Plyr for seamless video casting on iOS, Safari, and Chrome.

Learn different approaches to exit nested loops in JavaScript using labeled statements, flags, and other techniques for efficient code execution.

Learn best practices to handle specific API errors in JavaScript promise chains, perform redirects without re-renders or store conflicts. Use wrappers, Axios interceptors for centralized fetch error handling in React apps.

Learn proper JavaScript setTimeout implementation for 5-second delays. Fix common issues with state changes and timing in React and vanilla JS.

Learn efficient techniques to iterate through JavaScript object properties in chunks using Object.keys(), Object.entries(), and custom chunked iteration methods.

Learn how to implement automatic attribute interpolation in i18next validation error messages similar to Laravel's :attribute placeholder system.

Learn how to configure Math.js to simplify expressions into the form 1/3x instead of x/3. This guide covers fraction configuration and custom formatting techniques for expressions with fractional coefficients.

Resolve 'Missing CORS header Access-Control-Allow-Origin' error in VM Essentials plugin's status-update.js. Server-side PHP fixes for Joomla, handle preflights, add headers, and test XMLHttpRequest requests effectively.

Fix Highcharts horizontal stacked bar charts where small stacks (1-10) are hidden by large ones (25k). Use minPointLength, logarithmic xAxis, clip false, and overlays for visibility and clickability with code examples.