JavaScript

How to Learn JavaScript Fast — Follow These 7 Steps (in 2022)

To learn JavaScript or any other programming language, the number one thing you must do is write a lot of code. Learning JavaScript is not possible without loads of repetition and consistent practice. This guide teaches you how to learn JavaScript fast. Of course, you can become a proficient self-taught JavaScript developer at your own …

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JavaScript Dollar Sign ($) and Underscore (_) Explained

In JavaScript, the dollar sign ($) and underscore (_) are both identifiers—similar to any other name, like myCar or houseAge. You can use a dollar sign or underscore to identify objects, such as: Variables Functions Properties Events Objects Thus, the dollar sign and underscore are not treated like other special symbols (such as the dot) …

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“let” vs “var” in JavaScript: A Comprehensive Guide [in 2022]

The main difference between let and var in JavaScript is: var declarations are function-scoped. let declarations are block-scoped. This means you can have multiple let variables with the same name as long as they live in different scopes, such as in different functions. For instance: In addition to this, there is a bunch of important …

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