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JavaScript method to convert rgb color into hexadecimal color

不言
不言Original
2018-05-05 14:02:591794browse

This article mainly introduces the method of converting rgb colors into hexadecimal colors using JavaScript, and involves techniques related to numerical conversion using JavaScript. Friends who need it can refer to it

The examples in this article describe JavaScript Implement the method of converting rgb color into hexadecimal color. Share it with everyone for your reference. The specific implementation method is as follows:

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" 
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>javascript RGB转16进制</title>
</head>
<body>
<script>
function toHexString(r,g,b) {
 return ("00000" + (r << 16 | g << 8 | b).toString(16)).slice(-6);
}
/*
或者:
function RGB2HEX(a,b,c){return"#"+((256+a<<8|b)<<8|c).toString(16).slice(1)}
*/
var hex = toHexString(100, 100, 100);
alert(hex);
</script>
</body>
</html>

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