The life of a developer is always learning new things and keeping up with the changes shouldn’t be harder than it already is, and my motive is to introduce all the JavaScript best practices such as shorthand and features which we must know as a frontend developer to make our life easier in 2021. You might be doing JavaScript development for a long time but sometimes you might be not updated with the newest features which can solve your issues without doing or writing some extra codes. These techniques can help you to write clean and optimized JavaScript Code. Moreover, these topics can help you to prepare yourself for JavaScript interviews in 2021. Here I am coming with a new series to cover shorthand techniques that help you to write more clean and optimized JavaScript Code. This is a Cheat list for JavaScript Coding you must know in 2021. 1. If with multiple conditions We can store multiple values in the array and we can use the array includes method. //longhand if (x === '