<!DOCTYPE html> <html lang="en"> <head><meta charset="UTF-8"><title>点击p段落,把它们隐藏</title><script src="https://code.jquery.com/jquery-3.4.1.min.js"></script><script>$(document).ready(function(){$("p").click(function(){$(this).hide();});$("p").css("color","red");把所有p元素的颜色变红});</script> </head> <body><p>你点我我就会消失</p><p>点我</p><p>点我</p> </body> </html>
F12查看jq版本,consloe输入$.fn.jquery