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js controls the display and hiding of TR_javascript skills

WBOY
WBOYOriginal
2016-05-16 15:12:112079browse

A piece of code shared below: Select the Yes button to display the text box for height and weight. Note: The ready method must reference the jquery library.

1.html Code

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>无标题文档</title>
<style type="text/css">
  .div1{ width:300px; height:80px; border:1px solid green;}
  .div2{ width:300px; height:80px; border:1px solid red;}
</style>
<SCRIPT language=javascript type=text/javascript src="jquery-1.7.2.min.js"></SCRIPT>
<script type="text/javascript">
  function setDetailMsgRow(rowID,sel) {
    var row = document.getElementById(rowID); 
      if (row != null) { 
        if (sel.value == 1) { 
          row.style.display = "block";
        } 
        else { 
           row.style.display = "none"; 
        } 
    } 
  } 
  /*自动加载隐藏框,ready方法必须要引用jquery的库*/
  $(document).ready(function(){ 
var sel = document.getElementById('selID');
    setDetailMsgRow('show',sel);
  });
  function onload() {var sel = document.getElementById('selID');
    setDetailMsgRow('show',sel); 
  } 
</script>
</head>
<body>
<TABLE border="1" cellpadding="2" cellspacing="0">
<TBODY>
<TR>
<TD>是否填写身高体重</TD>
<TD><SELECT width='100%' id=selID onchange = "setDetailMsgRow('show',this)">
  <OPTION value="1" selected>是</OPTION>
  <OPTION value="0">否</OPTION>
  <OPTION ></OPTION>
  </SELECT>
</TD><TD></TD><TD></TD></TR>
<TR id=show style="display:none;">
<TD>身高</TD>
<TD><INPUT id=Height></TD>
<TD>体重</TD>
<TD><INPUT id=Weight></TD></TR>
</TBODY>
</TABLE>
</body>
</html>

You can download jquery-1.7.2.min.js online and introduce it.
2. Effect

The above is the entire content of this article. I hope it will be helpful to everyone in learning javascript programming.

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