Arrow Function In JavaScript | Master it in 8 minutes | ES6 Tutorial
Master Arrow Functions in JavaScript (ES6) in just 8 minutes! In this video, I break down exactly how to use Arrow Functions to write cleaner code for your development and automation testing projects.
If you are learning JavaScript for QA automation (Playwright, Cypress) or web development, understanding Arrow Functions is mandatory. We cover the basic syntax, how to handle callbacks like setTimeout, and the critical rules regarding the 'this' keyword within Objects.
What you will learn in this video:
✅ Syntax Simplified: How to write functions using the arrow symbol
✅ Code Conversion: Step-by-step guide to turning Anonymous functions into Arrow functions
✅ Callbacks: How to use Arrow functions inside setTimeout and other callbacks
✅ The "This" Keyword: knowing when NOT to use arrow functions (handling this).
Video Chapters:
00:00 Introduction to Arrow Function
00:30 What is Arrow Function?
02:05 Create Anonymous Functions
02:37 Convert Anonymous to Arrow Function
03:00 Single Line Arrow Function
03:36 setTimeOut Method
04:36 Convert setTimeOut to Arrow Function
06:00 Usage of this inside Arrow Function
07:40 Summary
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