rgba array for spectrum js

by ibike365

JavaScript

function hexToRgb(hex) {
    // Expand shorthand form (e.g. "03F") to full form (e.g. "0033FF")
    var shorthandRegex = /^#?([a-f\d])([a-f\d])([a-f\d])$/i;
    hex = hex.replace(shorthandRegex, function (m, r, g, b) {
        return r + r + g + g + b + b;
    });

    var result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hex);
    return result ? {
        r: parseInt(result[1], 16),
        g: parseInt(result[2], 16),
        b: parseInt(result[3], 16)
    } : null;
}
$vals = ['00', '33', '66', '99', 'cc', 'ff'];
$colors = [];
$rgbColors = [];
$vals.forEach(function ($r) {
    $vals.forEach(function ($g) {
        $vals.forEach(function ($b) {
            $colors.push('#' + $r + $g + $b);
        });
    });
});
$colors.forEach(function ($c) {
    console.log(hexToRgb($c));
    var rgb = hexToRgb($c);
    $rgbColors.push('rgba(' + rgb.r + ',' + rgb.b + ',' + rgb.g + ',0.3)');
});
console.log($rgbColors);
var str = "";
str = $rgbColors.toString();
console.log(str);