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Giving Object Context to Function Calls

JavaScript has a dynamic object named this. By default, this equals to the global object container, so if we have…

Self Documenting Flexible Parameters

When managing function parameters, it’s often more maintainable to use an options object. This allows you to pass a single…

Use ‘this’ Keyword with setTimeout()

setTimeout() is a great help to many JavaScript developers. For example, you may wish to add a delay to allow…

Load a JavaScript File on the Fly

Similar to my previous article on how to add/inject a CSS stylesheet using Vanilla JavaScript, this is how you load…

Generate HTML List From JavaScript Array

Generate an HTML list based on the contents of a JavaScript array. By modifying the makeList() function to accept parameters…

Same-Origin AJAX Request Using Vanilla JavaScript

This JavaScript function will send an AJAX request - GET or POST - with no third-party dependencies. I find it…

How to Add a CSS Stylesheet in Vanilla JavaScript

The function below will dynamically inject a CSS stylesheet in the document's using Vanilla JavaScript (no dependencies).

How to Make an Iframe Responsive Using JavaScript

Stubborn iframes can be tamed using a simple JavaScript trick and a couple of code tweaks. Use the code below…

Pure JavaScript tabbing functionality with linkable tabs

This script shows you how to create vanilla JavaScript tabs anywhere, physically linkable without any external JavaScript library. 305 bytes…

How to dynamically append a CSS file

This code snippet allows you to dynamically append a CSS file to your document's head. It can be used inside…

JavaScript String Multiline Trim/Cleanup

This small JavaScript prototypes enhance the trim() function and allow for better trimming and/or replacing line breaks with commas (or…

JavaScript Credit Card Validation

This is a collection of JavaScript snippets to validate credit card details without requiring any library. Feel free to customise…

How to Open a JavaScript Centered Popup Window

This tutorial is about JavaScript popups and how to show a window in the center of the screen and focus on it.…

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