Chrome DevTools snippets: Draw border around every element

Run the below in the Console (Cmd + Option + C):

[].forEach.call($$('*'),
  function (a) {
    a.style.outline = '1px solid #' + (~~(Math.random() * (1 << 24))).toString(16);
  });

TODO: Make this run as a bookmark

Source

• Gist by Addy Osmani