1.click事件
<!DOCTYPE html><html lang="en"><head> ???<meta charset="UTF-8"> ???<title>click事件</title> ???<script type="text/javascript" src="jquery-1.12.4.min.js"></script> ???<script type="text/javascript"> ???????$(function () { ???????????$(‘#btn‘).click(function () { ???????????????//重复切换sty样式 ???????????????$(‘.box‘).toggleClass(‘sty‘); ???????????}); ???????}) ???????????</script> ???<style type="text/css"> ???????.box{ ???????????width:200px; ???????????height:200px; ???????????background-color: hotpink; ???????} ???????.sty{ ???????????background-color: chartreuse; ???????} ???????????</style></head><body> ???<input type="button" name="" value="切换" id="btn"> ???<div class="box"></div></body></html>jquery——事件
原文地址：https://www.cnblogs.com/gaoquanquan/p/9205150.html