10 Fundamentals You Need To Know About Functions in Javascript

10 Fundamentals You Need To Know About Functions in Javascript

Functions are one of the most important concepts in JavaScript. In this article, we will look at the essential things you may need to know about them.

Functions are one of the most important concepts in JavaScript. In this article, we will look at the essential things you may need to know about them.

  1. Functions Can Be Declared Using the Function Declaration

  2. Functions Can Be Created Using Function Expressions

  3. Functions Can Be Created Using the Arrow Syntax

  4. Functions Expression Can Auto-Execute After the Definition

  5. Functions Can Be Methods

  6. Arrow Functions Don’t Have Their Own This

  7. Functions Are Objects

  8. Functions Can Be Sent To Other Functions as Arguments

  9. Functions Can Be Returned From Functions

  10. Functions Can Be Closures

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