Semicolons in JavaScript have always been a topic of discussion among developers. In ES6, also known as ECMAScript 2015, the use of semicolons is less strict than in previous versions of JavaScript. Today we'll explore the use of semicolons in ES6 and whether or not you need to include them in your code.
First off, let's clear something up: JavaScript allows you to omit semicolons at the end of statements in most cases. However, it's considered good practice to include them to avoid unexpected behavior due to automatic semicolon insertion by the JavaScript engine. In ES6, the recommendation to use semicolons remains good practice for writing clean and predictable code.
When it comes to duplicate semicolons in your ES6 code, it's generally not a problem. Since JavaScript ignores duplicate semicolons, having them in your code won't lead to errors or issues. While it's cleaner to remove unnecessary duplicate semicolons, they won't impact the functionality of your code. In contrast, missing semicolons where they are required can lead to bugs and unexpected behavior.
When writing code in ES6, you should still use semicolons to terminate statements. It helps prevent any potential issues related to automatic semicolon insertion. Remember that JavaScript is forgiving when it comes to duplicate semicolons, so you don't need to be too concerned if you unintentionally add extra semicolons here and there.
Another point to keep in mind is if you are using a build tool like Babel to transpile your ES6 code to be compatible with older browsers, it will handle the insertion or removal of semicolons for you during the transpilation process. This means that you can focus on writing clean and readable code while letting the build tools take care of the necessary adjustments behind the scenes.
In conclusion, the use of semicolons in ES6 is recommended for the sake of consistency and code readability. While duplicate semicolons are harmless and won't cause issues, it's always best to follow best practices and only include semicolons where necessary to terminate statements in your code. Remember that keeping your code clean and organized will not only make it easier for you to debug and maintain but also for other developers who may work on the code in the future.
So, next time you're writing ES6 code, don't stress too much about duplicate semicolons, but do make sure to include them where needed to keep your code clean and predictable. Happy coding!