rgba to rgb + a

rgba2rgba+a.js

function rgbaToSVGAttrs(color) {
    var regex, rgba;
    color = color.replace(' ', '');

    if (color.indexOf('rgba(') !== 0) {
      return color;
    }

    regex = /(.*?)rgba\((\d+),(\d+),(\d+),([0-9]+\.[0-9]+|\d)\)/;
    rgba = regex.exec(color);

    if (!rgba) { return color; }

    return {
        color: 'rgb(' + rgba.splice(2, 3).join(',') + ')',
        opacity: rgba[5] || "1"
    };
}

Two issues

• color = color.replace(' ', ''); only replaces the first space. It should be color.replace(/ /g, ''); or color.replace(/\s/g, ''); instead.
• Because Array.prototype.splice is a mutating method , there is a bug in line 16: rgba[5] is undefined and should be rgba[2] instead

Otherwise thanks for the function :)