The JavaScript is one of the popular programming language in the current IT industry. We find the best free online courses to assist in your learning. Please note that these two videos are actually playlist from Youtube. Please click the link provided below the video to access the full playlist at Youtube.

Cheat CHEAT SHEET & RESOURCES
https://cheatography.com/davechild/cheat-sheets/javascript/
https://cheatography.com/anas-95/cheat-sheets/javascript-object-methods/
https://cheatography.com/acwinter/cheat-sheets/javascript-basic-advanced-and-more/