lib/tethys.js
function(){
        return this.each(function(el){
            var e = $(el);
            e.css("display") == "none" ? e.show() : e.hide();
        });
    }
function(){
        return this.each(function(el){
            var e = $(el);
            e.css("display") == "none" ? e.show() : e.hide();
        });
    }
function ( ) { return this . each ( function ( el ) { var e = $ ( el ) ; e . css ( "display" ) == "none" ? e . show ( ) : e . hide ( ) ; } ) ; }
切换显示隐藏
切换显示隐藏