JavaScript cookie demo

The JavaScript js/main.js included on this page sets a cookie:

document.cookie = 'cat=tabby';

Once set, the cookie is included with requests for this page.

View the cookie in Chrome DevTools from the Application panel Cookie pane:

Cookie cat=tabby shown in the Application panel Cookie pane in Chrome DevTools

The Headers tab in the Network panel shows that the cookie is included in requests:

Cookie cat=tabby shown in the Headers tab in the Network panel in Chrome DevTools