JavaScript Best Practices

We've covered several introductory concepts for JavaScript programming in this course and how to debug your code. We'll review some coding guidelines and best practices you'll use as a JavaScript developer to ensure consistency, readability, security, and accessibility. Read this article to learn about some of the best practices for developing programs.

Error handling

If certain states of your program throw uncaught errors, they will halt execution and potentially reduce the usefulness of the example. You should therefore catch errors using a try...catch block:

try {
  console.log(results);
}
catch(e) {
  console.error(e);
}