https://openuserjs.org/scripts/glebm/Render_Whitespace_on_GitHub

Are they tabs or spaces? How many of them are there? Never be confused again!

Copy-paste the file below into the console to see the whitespace like this:

Also available as a bookmarklet:

javascript:(function()%7Bfunction%20e(e%2Co%2Cr)%7Bconst%20c%3De.nodeValue.split(%22%5Ct%22).map(e%3D%3Ee.split(%22%20%22))%3Bif(1%3D%3D%3Dc.length%26%261%3D%3D%3Dc%5B0%5D.length)return%3Bconst%20a%3De.parentNode%2Cd%3Dt%3D%3E%7Ba.insertBefore(t%2Ce)%7D%3Bn(c%2Ce%3D%3E1%3D%3D%3De.length%26%26%22%22%3D%3D%3De%5B0%5D%2Ce%3D%3Ed(t(o.repeat(e)))%2Ce%3D%3En(e%2Ce%3D%3E%22%22%3D%3D%3De%2Ce%3D%3Ed(t(r.repeat(e)))%2Ce%3D%3Ed(document.createTextNode(e))))%2Ca.removeChild(e)%7Dfunction%20t(e)%7Bconst%20t%3Ddocument.createElement(%22span%22)%3Breturn%20t.textContent%3De%2Ct.style.opacity%3Dc%2Ct%7Dfunction%20n(e%2Ct%2Cn%2Co)%7Bconst%20r%3De.length%3Be.reduce((e%2Cc%2Ca)%3D%3E%7Bconst%20d%3Dt(c)%3Breturn%20d%26%26a!%3D%3Dr-1%3Fe%2B1%3A(e%3E0%26%26n(e)%2Cd%7C%7Co(c)%2C1)%7D%2C0)%7Dvar%20o%3D%22%C2%B7%22%2Cr%3D%22%E2%86%92%22%2Cc%3D.8%3B!function()%7Bfor(const%20t%20of%20document.querySelectorAll(%22table%5Bdata-tab-size%5D%22))%7Bconst%20n%3Dr.padEnd(%2Bt.dataset.tabSize)%2Cc%3Ddocument.createTreeWalker(t%2CNodeFilter.SHOW_TEXT%2C%7BacceptNode(e)%7Blet%20t%3De.parentNode%3Bfor(%3B%22TABLE%22!%3Dt.nodeName%3B)%7Bif(t.classList.contains(%22blob-code-inner%22))return%20t.firstChild!%3D%3De%7C%7C%22%20%22!%3D%3De.nodeValue%3FNodeFilter.FILTER_ACCEPT%3ANodeFilter.FILTER_SKIP%3Bt%3Dt.parentNode%7Dreturn%20NodeFilter.FILTER_SKIP%7D%7D)%2Ca%3D%5B%5D%3Bfor(%3Bc.nextNode()%3B)a.push(c.currentNode)%3Bfor(const%20t%20of%20a)e(t%2Cn%2Co)%7D%7D()%7D)()