Javascript - check if string is valid CSS color?

Question

If a color string is a number, then we can use a RegExp to check if it\'s a valid CSS color. But what if it\'s a word?

I have code that generates contro

Answer 1

The input is often incorrect with the output. If you check the length of the values, you get either an empty string or a value in the CSS2 tree

function isColor(string) {
    var s = new Option().style;
    s.color = string;
    return s.color.length > 0;
}