function Display()
{
var i ;
var o;
for(i=1;i<=4;i++)
o=document.getElementbyId('text'+i);
if(test1.vlaue=='-1')
o.style.visibility='visible';
else
o.style.visibility='hidden';
}
<input type=text name=text1 id=text1 style="visibility:display">
<input type=text name=text2 id=text2 style="visibility:display">
<input type=text name=text3 id=text3 style="visibility:display">
<input type=text name=text4 id=text4 style="visibility:display">
{
var i ;
var o;
for(i=1;i<=4;i++)
o=document.getElementbyId('text'+i);
if(test1.vlaue=='-1')
o.style.visibility='visible';
else
o.style.visibility='hidden';
}
<input type=text name=text1 id=text1 style="visibility:display">
<input type=text name=text2 id=text2 style="visibility:display">
<input type=text name=text3 id=text3 style="visibility:display">
<input type=text name=text4 id=text4 style="visibility:display">
对象不支持此类属性或方法哦!
<head>
<title>Test</title>
<script language="jscript">
<!--
function Display()
{
var i ;
var o;
for(i=1;i<=4;i++)
{
o=document.getElementById('text'+i);
var test1 = document.getElementById("test1");
if(test1.value=='-1')
o.style.visibility='visible';
else
o.style.visibility='hidden';
}
}
-->
</script>
</head>
<body>
<select name=test1 onChange="Display()">
<option value=-1>显示
<option value=1>不显示
</select>
<input type=text name=text1 id=text1 style="visibility:display">
<input type=text name=text2 id=text2 style="visibility:display">
<input type=text name=text3 id=text3 style="visibility:display">
<input type=text name=text4 id=text4 style="visibility:display">
</body>
</html>-----------------------------
测试通过了。