JavaScript – Comments
JavaScript comments are used to create notes about what the code block does and how it works, and can also be used to temporarily prevent code execution.
JavaScript – Basic Syntax
JavaScript syntax is the set of rules concerning how the code blocks should be constructed for proper execution.
JavaScript – Outputting Content to the Browser
JavaScript can be used to change data on the page, rewrite the entire page, create popup alerts, write to the console for testing, or print the page.
JavaScript – Doing Math, Assignment, and Comparison
JavaScript has numerous operators that can be used, in part, to do mathematical calculations, assign values to variables, and compare values.
JavaScript – Using Variables
In JavaScript, variables are used to store data that will be used in multiple places. This allows the data to be kept in one place for ease of change.