Sorting Objects in JavaScript
Sort arrays of objects in JavaScript with comparator functions, numeric and string properties, return values, case sensitivity, and deeper sorting notes.
Articles, page 13 of 27
Articles from more than two decades of building, rebuilding, debugging, and leading web projects.
Sorting Objects in JavaScript. 
Commenting in Front‑End Languages. Commenting in Front‑End Languages
There are essentially two different types of commenting in development languages: single‑line, and multi‑line. Here, we discuss these, and how to use them.
Return the Length of Arguments Passed in JavaScript. Return the Length of Arguments Passed in JavaScript
An article describing how to count function arguments in JavaScript. Use 'rest' parameters in ES6 or the 'arguments' object for older JavaScript environments.
Dynamic Array Manipulation with JavaScript's splice(). Dynamic Array Manipulation with JavaScript's
splice()Discover how to master array modifications with JavaScript's Array.prototype.splice(), your all‑in‑one method for removing, adding, and replacing elements.
Swearing in the Workplace. Swearing in the Workplace
Swearing in the workplace is generally taboo, but not completely off‑limits. Use common sense, consider your audience, and remember that context is everything.
LeetCode: Reversing Integers with JavaScript. LeetCode: Reversing Integers with JavaScript
Reverse integers in JavaScript with sign handling, overflow checks, TypeScript examples, and the trade‑offs between string and maths approaches.
Using the filter() Method in JavaScript. Using the
filter()Method in JavaScriptUse JavaScript filter() to create arrays of matching items, with callback syntax, object filtering examples, readable predicates, and practical tips.
Manipulating Strings in JavaScript with split(). Manipulating Strings in JavaScript with
split()Use JavaScript split() for string manipulation, including delimiters, limits, regular expressions, edge cases, parsing, and practical data handling.
Check If Today is Between Two Dates in JavaScript. Check If Today is Between Two Dates in JavaScript
Using JavaScript we can use the Date() function to create Date objects, and then use less/more than comparisons to work out if the date falls in between.
JavaScript String Manipulation: substring() vs. substr(). JavaScript String Manipulation:
substring()vs.substr()A practical guide to JavaScript `substring()` and `substr()`, including indexes, lengths, swapped arguments, browser support, and which one to use.
Solving the LeetCode Two Sum Problem Using JavaScript. Solving the LeetCode Two Sum Problem Using JavaScript
Solve the Two Sum problem efficiently in JavaScript with Hash Map or Two Pointers. Learn how to find pairs of numbers that sum up to a given target.
Why We Use an Empty Dependency Array in React's useEffect Hook. Why We Use an Empty Dependency Array in React's
useEffectHookUnderstand React useEffect's empty dependency array, including run‑once behaviour, cleanup and how omitted or listed dependencies change when effects run.
Mastering JavaScript's slice(). Mastering JavaScript's
slice()Explore the capabilities of JavaScript's Array.prototype.slice() for creating subarrays, cloning arrays, and more, with no changes to the original.
Understanding JavaScript's sort() Method. Understanding JavaScript's
sort()MethodUnderstand JavaScript's sort() method, including in‑place mutation, string defaults, numeric comparators, object sorting, and unexpected ordering behaviour.
Responsive JavaScript and the matchMedia Method. Responsive JavaScript and the
matchMediaMethodIn the past, we used event listeners on the Window to determine the physical dimensions of a document. Using matchMedia allows us to use media query syntax.
Unravelling JavaScript: Commonly Misunderstood Methods and Features. Unravelling JavaScript: Commonly Misunderstood Methods and Features
A tour of commonly misunderstood JavaScript features, from sort(), slice(), splice(), split(), Math.random(), parseInt(), isNaN(), typeof, and more.
The will‑change Property in CSS. The
will‑changeProperty in CSSThe CSS will‑change property signals that an element may change, allowing the browser to prepare rendering work, although it should only be used selectively.
Using the Modulo Operator in JavaScript. Using the Modulo Operator in JavaScript
A discussion about the JavaScript modulo operator, its functionality, origins, and diverse applications in web dev, including arithmetic and complex algorithms.
Throttling Scroll Events in JavaScript. Throttling Scroll Events in JavaScript
Care needs to be taken when using the onScroll event; it can trigger frequently, leading to greater client‑side resource (CPU) usage, and a laggy interface.
What A Levels Do You Need for Software Engineering? What A Levels Do You Need for Software Engineering?
What A Levels help most for software engineering in the UK? This guide covers Maths, where Computer Science helps, and routes beyond a perfect set.
How to Handle Multiple Named Exports in One JavaScript File. How to Handle Multiple Named Exports in One JavaScript File
A simple explanation about how to handle multiple named exports from a single JavaScript file; an essential piece of knowledge when developing modern websites.