If you use Excel 40 hours a week (and those are the weeks you are on vacation), welcome to the MrExcel channel. Home to 2,400 free Excel tutorials. Bill "MrExcel" Jelen is the author of 67 books about ...

This tutorial provides a comprehensive guide to JavaScript Map and Set, explaining their differences, use cases, and how to effectively utilize them. JavaScript offers a rich set of data structures ...

Regular Expression Tutorial July 19, 2021 As you know, JavaScript has many useful methods that can check if a string contains a certain letter or phrase. For example, the following expressions all ...

Regular expressions have been part of the programmer’s toolkit for a long time, with their creation by Stephen Cole King in 1951. Their ability to match word patterns make them a powerful tool for ...

JavaScript is a flexible language, allowing for all sorts of styles and programming paradigms. Although this breadth sometimes comes at a cost to readability or consistency across a code base, it also ...