/**2017-01-05
    * 判断浏览器是否支持某一个CSS3属性
    * @param {String} 属性名称
    * @return {Boolean} true/false
    * 
*/
     
function supportCss3(style) {
    var prefix = [‘webkit‘, ‘Moz‘, ‘ms‘, ‘o‘],
    i,
    humpString = [],
    htmlStyle = document.documentElement.style,
    _toHumb = function (string) {
    return string.replace(/-(\w)/g, function ($0, $1) {
    return $1.toUpperCase();
    });
    };
     
    for (i in prefix)
    humpString.push(_toHumb(prefix[i] + ‘-‘ + style));
     
    humpString.push(_toHumb(style));
     
    for (i in humpString)
    if (humpString[i] in htmlStyle) return true;
     
    return false;
}

alert(supportCss3(‘animation-play-state‘));