<!DOCTYPE html><html lang="en"><head> ???<meta charset="UTF-8"> ???<title>Title</title> ???<script src="jquery-3.3.1.min.js"></script></head><body><p style="display:none">hello world</p><input type="button" id="show" value="显示"><input type="button" id="hide" value="隐藏"><input type="button" id="toggle" value="toggle"></body><script> ???$("#show").click(function(){ ???????$("p").show() ???}) ???$("#hide").click(function(){ ???????$("p").hide() ???}) ???$("#toggle").click(function(){ ???????$("p").toggle() ???})</script></html>HTML 练习显示隐藏
原文地址：https://www.cnblogs.com/klvchen/p/10559177.html