摘要:
<!DOCTYPE html> <html lang="zh-CN"> <head> <meta charset="utf-8"> <!-- 最高浏览器--> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <!-- 媒体查询 视口设置 - 阅读全文
摘要:
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Title</title> <style> #box{ width: 200px; height: 200px; background-color: red; 阅读全文
摘要:
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Title</title> </head> <body> <div name="b" class="active"></div> <img src="" alt 阅读全文
摘要:
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Title</title> </head> <body> <div class="box"> </div> <script src="./jquery-3.5. 阅读全文