const - Can not be reassigned and not accessible before they appear within the code. Variables defined with var move to the top when the code is executed. It can be reassigned but only accessed within a function. You have three different possibilities for declaring a variable in JavaScript, each with their own specialties: You should be familiar with them from math class. 
Variables are stand-in values that you can use to perform operations.
Multi-line comments - In case you want to write longer comments between several lines, wrap it in /* and */ to avoid it from being executed. Single-line comments - To include a comment that is limited to a single line, precede it with //. In JavaScript you have two different options: Keep in mind that they have to be marked properly so the browser won’t try to execute them. If your code is in a file called myscript.js, you would call it: Including CommentsĬomments are important because they help other people understand what is going on in your code or remind you if you forgot something yourself. That way, you can keep different types of code separate from one another, making for better-organized files. You can also place JavaScript in its own file and name it inside your HTML. 
With this input, the browser can identify and execute the code properly. To include JavaScript inside a page, you need to wrap it in tags:
#JAVASCRIPT CLEAN TEXT HOW TO#
Let’s start off with the basics – how to include JavaScript in a website. Below you can find the Javascript cheat sheet in.
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