Simple CSS prefixator, transform detection and translateX

CSS.js

// thanks to http://www.mobify.com/
var CSS = {
    cache: {},
    prefixes: ['Webkit', 'Moz', 'O', 'ms', ''],

    getProperty: function(name) {
        var div, property;
        if (typeof CSS.cache[name] !== 'undefined') {
            return CSS.cache[name];
        }

        div  = document.createElement('div').style;
        for (var i = 0; i < CSS.prefixes.length; ++i) {
            if (div[CSS.prefixes[i] + name] != undefined) {
                return CSS.cache[name] = CSS.prefixes[i] + name;
            }
        }
    }
};

CSS.has = {
    'transform': !! (CSS.getProperty('Transform')),
    'transform3d': !! (window.WebKitCSSMatrix && 'm11' in new WebKitCSSMatrix()) 
};

CSS.translateX = function(element, delta) {
    var property = CSS.getProperty('Transform');
    if (typeof delta === 'number') {
        delta = delta + 'px';
    }
    if (CSS.has.transform3d) {
        element.style[property] = 'translate3d(' + delta  + ', 0, 0)';
    } else if (CSS.has.transform) {
        element.style[property] = 'translate(' + delta  + ', 0)';
    } else {
        element.style.left = delta;
    }
};