When creating a web app, you will always need a backup. This is where Git comes in. First you have to download git (if you don’t have it). Then (with your command line) you cd into your folder. Write git init. Then look in your newly created .git folder. Once you’ve found your newly created repository, go back in to your command line and write git clone all *repository name*. There are your backups! Now for some best practices. It is always good to minify your js files. Also, put your script tags at the bottom of your body. Here are some CSS best practices: When you want to change the content of an item when the mouse clicks, don’t use jQuery. Use some pseudo classes instead. For example:


Is better than using jQuery. If you use this, make sure you add the content value!