//////////

//分解参数 //

//////////

function access(elems, fn, key, value, chainable, emptyGet, raw) {

var i = 0,

len = elems.length;

//如果是一个对象，for in递归调用自己

if (jQuery.type(key) === "object") {

chainable = true;

for (i in key) {

access(elems, fn, i, key[i], true, emptyGet, raw);

}

} else if (value !== undefined) {

if (fn) {

fn(elems, key, value);

}

}

return elems

};

//////////

//设置样式 //

//////////

function style(elem, name, value, extra) {

var origName = jQuery.camelCase(name),

style = elem.style;

style[name] = value;

}

function css(name, value) {

return access(this, function(elem, name, value) {

return value !== undefined ?

style(elem, name, value) :

jQuery.css(elem, name);

}, name, value, arguments.length > 1);

}