hide () and show () and other methods in jquery

1. Click on Who He showed its siblings Hide

$('.goods').show().siblings().hide()

2, click on it and let him inside said some elements are displayed

 $('#pingjia').children().show()

3, the use of a method other than jquery class name can dynamically add further switch

$('.goods').addClass('xianshi').siblings().removeClass('xianshi');

4, the same element is clicked, display and hide when you can use toggle

$('button').on('click',function(){

$('p').toggle();

});