在线运行HTML代码器(一)

在线运行HTML代码:

<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <title>在线运行HTML代码器(一)</title>
  <script>
    window.onload = function(){
      var btrun = document.getElementById("btrun");
      var cdarea = document.getElementById("cdarea");
      btrun.onclick = function(){
        if(cdarea.value != "将HTML代码粘在此处,点击运行即可。"){
          var newwin = window.open('', "_blank", '');
          newwin.document.open('text/html', 'replace');
          newwin.opener = null;
          newwin.document.write(cdarea.value);
          newwin.document.close();
        } else {
          alert("请将需要运行的HTML填写到输入框后再运行!");
        }
      }
    }
    function codeClear()
    {
      document.getElementById('cdarea').value = "";
      document.getElementById('cdarea').focus();
    }
  </script>
</head>

<body>
  <textarea id="cdarea" style="background: #f9f9f9; color: #b4b4b4;" rows="8" cols="40" onfocus="if(this.value=='将HTML代码粘在此处,点击运行即可。') {this.value=''; this.style.color='#000000'; this.style.fontFamily='Courier New'; this.style.fontSize='14px'}" onblur="if(this.value=='') {this.value='将HTML代码粘在此处,点击运行即可。'; this.style.color='#ACA899';}">将HTML代码粘在此处,点击运行即可。</textarea>
  <br />
  <input id="btclear" type="button" value="清除" onclick="codeClear();" />
  <input id="btrun" type="button" value="运行" />
</body>
</html>

 效果:在线运行HTML代码器


posted @ 2014-09-13 17:30  hewenwei  阅读(1946)  评论(0编辑  收藏  举报