Declare Objects and Arrays with const

Use Parameter Defaults

camelCase Variable Names

Use Asynchronous methods when possible

Initialize Variables

Prefer Destructuring

Best Practices 

Do not use Global Variables.

Line Length 100 Max

Use the === Comparison Operator

Use ESLint

2 Space Code Indentation

Index pages

Standards

How to do a Promise

Avoid async-await in a loop

How to use Async and Await

Loop an Array or Object async

Examples

JavaScript (JS) is a scripting programming language used with web browsers to make web pages interactive. It is part of the webframework (HTML, CSS, and JavaScript). Many Frameworks have been built on top of JavaScript such as React, JQuery, Angular, Node.JS and many more. JavaScript is loosely typed and is an interpreted language. JavaScript is Asynchronous and is single threaded.  Here you will find Standards, Best Practices and Examples for JavaScript.

JavaScript

Missing parameters default to undefined. Using Defaults organizes your code and helps avoid bugs.

const isUserAdult = (age = 0, adultAge = 21) => { 
  return age >= adultAge ? true : false 
}

JavaScript : Best Practices Use Parameter Defaults

JavaScript : Best Practices
Use Parameter Defaults