Function $

demos/snap-ad/site/js/main.js:844–877

(el, attr)

    };

function $(el, attr) {
    if (attr) {
        if (typeof el == "string") {
            el = $(el);
        }
        if (typeof attr == "string") {
            if (attr.substring(0, 6) == "xlink:") {
                return el.getAttributeNS(xlink, attr.substring(6));
            }
            if (attr.substring(0, 4) == "xml:") {
                return el.getAttributeNS(xmlns, attr.substring(4));
            }
            return el.getAttribute(attr);
        }
        for (var key in attr) if (attr[has](key)) {
            var val = Str(attr[key]);
            if (val) {
                if (key.substring(0, 6) == "xlink:") {
                    el.setAttributeNS(xlink, key.substring(6), val);
                } else if (key.substring(0, 4) == "xml:") {
                    el.setAttributeNS(xmlns, key.substring(4), val);
                } else {
                    el.setAttribute(key, val);
                }
            } else {
                el.removeAttribute(key);
            }
        }
    } else {
        el = glob.doc.createElementNS(xmlns, el);
        // el.style && (el.style.webkitTapHighlightColor = "rgba(0,0,0,0)");
    }
    return el;
}
Snap._.$ = $;
Snap._.id = ID;
function getAttrs(el) {