Set Element's Style

setStyle.js

//setStyle(
//    document.getElementById('divId'),
//    'height: 180px; text-align: left; overflow-y: scroll;'
//);

var setStyle = function (elm, style) {
    var rules = (function (style) {
        var css, v,
                rules = {},
                div = document.createElement('div');

        div.innerHTML = '<div style="' + style + '"></div>';
        css = div.childNodes[0].style;
        for (var i in css) {
            (
                i !== 'cssText' &&
                (typeof i === 'string' || i instanceof String)
            ) &&
            (v = css[i]) &&
            (rules[i] = v);
        }

        return rules;
    })(style);

    for (var rule in rules) if (rules.hasOwnProperty(rule)) {
        elm.style[rule] = rules[rule];
    }

    return elm;
};