html
html
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<!DOCTYPE html>
<html>
<head>
<title>Page Title</title>
</head>
<body id="v">
</body>
</html>
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css
css
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body {
}
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js
js
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var s = prompt("change background per _____ ms")
setInterval(function a(){
v.style.background = "linear-gradient(to right, "+"#"+('000000'+((Math.random()*0xFFFFFF)
|0).toString(16)).substr(-6)+', #'+('000000'+((Math.random()*0xFFFFFF)|0).toString(16)).substr(-6)+")";
},s)
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