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JavaScript Tutorials & Guides

Practical JavaScript tutorials, troubleshooting notes and implementation guides from real projects.

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3 entries / JavaScript

JavaScript 30 Oct 2018

Pure JS - Display Time Elapsed & Remaining

This is an example of Javascript code to update and display the elapsed/remaining hours minutes and seconds in real-time.

Read note 20,984 hits

JavaScript 29 Sep 2015

Sort an associative array by values in Javascript

An article on how to quickly adapt an array code and sort by its values. Surprising how many examples are on the web and everyone saying you're doing it wrong... Which is true but quite unhelpful. The original code is not my own either but that's not an excuse. I also found that examples across the web were only partia...

Read note 32,593 hits

JavaScript 21 Aug 2012

Inline Labels in Form Fields using Javascript

This is to describe how to change the value of a field of a form from it's default when it is clicked on so that it auto-clears and changes to how it normally works. Example? Note the value in the below field. Now click on it and it disappears, allowing you to type normally. Clear whatever you type so the field is empt...

Read note 38,344 hits

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This site exists as a practical knowledge base built from real-world experience across systems, platforms, and technologies since 1999. Much of the content documents solutions, edge cases, and working patterns that were learned through investigation where documentation was incomplete or absent, and is shared to reduce the same friction for others.