Check if a value is an object in JavaScript
How to create a conditional that checks if a value is a pure object in JavaScript.
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How to remove duplicate array values
Two ways you can remove duplicate values from an array.
Currency formatting in JavaScript
How to convert a numeric values to a currency value using the native Internationalization API.
Create a unique ID in JavaScript
Create a unique ID to identify a user or session with an embedded creation timestamp.
Merging several strings into one in JavaScript
Learn how to merge multiple strings into one in various formats, including a comma-separated list.
== vs === in JavaScript
Loose and strict equality operators help us test for a similarity between bits of data.
Self-executing functions in JavaScript
Self-executing functions are ideal for making a one-time process self-contained.
Detect an ad blocker with pure JavaScript
How to detect if a user is blocking ads using JavaScript.
A guide to manipulating the DOM like a pro with JavaScript
Memorize these techniques to manipulate the DOM like a pro!
How to iterate through a JavaScript object
JavaScript objects are extremely common, but also notoriously difficult to iterate through.
