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javascript-简易留言板制作


<!
DOCTYPE html><html><head> <meta charset="utf-8"> <title>js练习</title> <style type="text/css"> #ull{ padding:0px; margin: 0px; } #ull li{ list-style:none; background-color: #ccc; width:auto; border:1px solid #999; position:relative; } #ull li h2{ display:inline-block; } #ull li p{ display:inline-block; } #ull li a{ position:absolute; text-decoration: none; color:red; right:5px; bottom:5px; } #content{ width:300px; height:100px; } </style> <script type="text/javascript"> window.onload = function() { var oname = document.getElementById(name); var ocontent = document.getElementById(content); var oul = document.getElementById(ull); var obtn = document.getElementById(btn); var lli = oul.getElementsByTagName(li); obtn.onclick = function(){ oli = document.createElement(li); oh2 = document.createElement(h2); op = document.createElement(p); oa = document.createElement(a); oa.innerHTML="删除"; oa.href = "javascript:;"; oa.onclick = function(){ oul.removeChild(this.parentNode); } oh2.innerHTML = oname.value + ; op.innerHTML = ocontent.value; oli.appendChild(oh2); oli.appendChild(op); oli.appendChild(oa); if(lli.length > 0){ oul.insertBefore(oli,lli[0]); } else{ oul.appendChild(oli); } } } </script></head><body>姓名:<input type="text" id="name"><br>留言:<textarea cols="20" rows="3" wrap = "hard" id="content"></textarea><br><button id="btn">添加</button><ul id="ull"></ul></body></html>

 这是一个利用DOM制作的一个简易留言板

javascript-简易留言板制作