Press the hotkeys Wnd+Shift+S and select the location where the JS code will be inserted

Click on the "Insert Code" button in the lower right corner of the page

Creating an external JavaScript file with the .js extension and then load it within the

page through the src attribute of the

Embedding the JavaScript code between a pair of script  and tag

Placing the JavaScript code directly inside an HTML tag using the special tag attributes

such as onclick, onmouseover, onkeypress, onload, etc.