landers.base/src/css.js

landers.base

; (function (window, $, Landers) {
    Landers = Landers || {};
    Landers.css = {
        add:function(){
            if (arguments.length == 2) {
                var k = arguments[0], v = arguments[1], content = [];
                if (!Landers.utils.is_string(v)){
                    for (var i in v) content.push(i + ':' + v[i]);
                }
                content = content.join(';');
                content = k + ' {' + content + '}';
            } else {
                var arg = arguments[0], content = '';
                if (Landers.utils.is_array(arg)) {
                    for (var i=0; i<arg.length; i++) content += arg[i];
                } else {
                    content = arg;
                }
            }

            try {
                //高版本浏览器
                var $head = $('head'), $o = $('style');
                if (!$o.length) $o = $('<style></style>').appendTo($head).attr({type:'text/css'});
                var oStyle = $o.get(0);
                oStyle.innerHTML += '\n' +  content;
            } catch(e) {
                //低版本浏览器，如ie8
                var match = content.match(/(.*?)\{(.*?)\}/);
                var k = $.trim(match[1]), v = $.trim(match[2]);
                var t = document.styleSheets;
                var oStyle = t.length ? t[0]:document.createStyleSheet();
                oStyle.addRule(k, v);
            }
        },
        remove:function(k){this.add(k,'')}
    };
})(this, jQuery, Landers);