JavaScript实现留言板案例
本文实例为大家分享了JavaScript实现留言板功能的具体代码,供大家参考,具体内容如下
<!DOCTYPE html><html> <head> <meta charset='utf-8'> <title>留言板</title> <style type='text/css'> #div1{ width: 400px; height: 200px; background-color: antiquewhite; } span{ color: blue; text-decoration: underline; } </style> </head> <body> <div id='div1'> 姓名:<input type='text' name='user' /><br /> 内容:<textarea rows='10' cols='40' id='info'> </textarea> <input type='button' value='留言' /><br /> </div> <h3>留言板</h3><br /> <div id='div2'> </div> </body> <script type='text/javascript'> var userInput = document.getElementById('username'); var infoInput = document.getElementById('info'); var btn = document.getElementById('btn'); var div2 = document.getElementById('div2'); btn.onclick = function(){ var user = userInput.value; var info = infoInput.value; var divUser = document.createElement('div'); divUser.innerText = user; divUser.style.backgroundColor = 'darkgrey'; divUser.style.width = '400px'; divUser.style.height = '30px'; div2.appendChild(divUser); var divInfo = document.createElement('div'); divInfo.innerText = info; divInfo.style.backgroundColor = 'antiquewhite'; divInfo.style.width = '400px'; divInfo.style.height = '80px'; div2.appendChild(divInfo); var del = document.createElement('span'); del.innerText = '删除'; del.style.float = 'right'; divInfo.appendChild(del); del.onclick = function(){ divUser.remove(); divInfo.remove(); del.remove(); } } </script></html>
showtime:
点击删除,可以删除留言:
以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持好吧啦网。
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