;$(function(){         //自动加载

'use strict';

var sidebar = $('#sidebar'),    //选择侧栏

mask = $('.mask'),

sidebar_trigger = $('#sidebar_trigger');

function showSideBar()

{

mask.fadeIn();

sidebar.css('right',0);

}

function hideSideBar()

{

mask.fadeOut();

sidebar.css('right',-sidebar.width())

}

sidebar_trigger.on('click',showSideBar)

mask.on('click',hideSideBar)

})