lib/tethys.js
function(key, value){

        return keyValue.call(this, arguments, function(el){
            return el.getAttribute(key);
        }, function(el, key, attrs){
            el.setAttribute(key, attrs[key] + '');
        });
    }
function(key, value){

        return keyValue.call(this, arguments, function(el){
            return el.getAttribute(key);
        }, function(el, key, attrs){
            el.setAttribute(key, attrs[key] + '');
        });
    }
function ( key , value ) { return keyValue . call ( this , arguments , function ( el ) { return el . getAttribute ( key ) ; } , function ( el , key , attrs ) { el . setAttribute ( key , attrs [ key ] + '' ) ; } ) ; }
设置或者返回属性
设置或者返回属性