<head> | |
<script> | |
function test() | |
{ | |
const link = document.createElement("link"); | |
link.setAttribute("rel", "stylesheet"); | |
link.setAttribute("href", "data:text/css,body { background:white !important; }"); | |
document.head.appendChild(link); | |
const count = document.styleSheets.length; | |
document.body.innerHTML = (count == 1) ? `PASS` : `FAIL: document.styleSheets.length == ${count}` | |
} | |
</script> | |
<link rel=stylesheet href="data:text/css,body { color:black !important; }"> | |
</head> | |
<body onload="test()" style="color:blue; background:red"> |