问个超弱智的有关问题
日期：2014-05-16 浏览次数：20338 次
问个超弱智的问题
<script language= "javascript ">
function yuan()
{
if(document.all.abc.getElementByName( "abc1 ").innerText== " " && document.all.abc.getElementByName( "abc2 ").innerText &&
document.all.abc.getElementByName( "abc3 ").innerText== " ")
alert( "请输入密码 ");
document.abc.submit();
}
</script>
<body onLoad= "yuan(); ">
<form name= "abc ">
<input type= "text " name= "abc1 ">
<input type= "text " name= "abc2 ">
<input type= "text " name= "abc3 ">
<a href= "# " onclick= "yuan(); "> 提交 </a>
</form>
</body>
运行不起,
------解决方案--------------------
这样改
<script language= "javascript ">
function yuan()
{
if(document.getElementsByName( "abc1 ")[0].innerText== " " && document.getElementsByName( "abc2 ")[0].innerText && document.getElementsByName( "abc3 ")[0].innerText== " ")
alert( "请输入密码 ");
document.abc.submit();
}
</script>
<body onLoad= " ">
<form name= "abc ">
<input type= "text " name= "abc1 ">
<input type= "text " name= "abc2 ">
<input type= "text " name= "abc3 ">
<a href= "# " onclick= "yuan(); "> 提交 </a>
</form>
</body>
<script language= "javascript ">
function yuan()
{
if(document.all.abc.getElementByName( "abc1 ").innerText== " " && document.all.abc.getElementByName( "abc2 ").innerText &&
document.all.abc.getElementByName( "abc3 ").innerText== " ")
alert( "请输入密码 ");
document.abc.submit();
}
</script>
<body onLoad= "yuan(); ">
<form name= "abc ">
<input type= "text " name= "abc1 ">
<input type= "text " name= "abc2 ">
<input type= "text " name= "abc3 ">
<a href= "# " onclick= "yuan(); "> 提交 </a>
</form>
</body>
运行不起,
------解决方案--------------------
这样改
<script language= "javascript ">
function yuan()
{
if(document.getElementsByName( "abc1 ")[0].innerText== " " && document.getElementsByName( "abc2 ")[0].innerText && document.getElementsByName( "abc3 ")[0].innerText== " ")
alert( "请输入密码 ");
document.abc.submit();
}
</script>
<body onLoad= " ">
<form name= "abc ">
<input type= "text " name= "abc1 ">
<input type= "text " name= "abc2 ">
<input type= "text " name= "abc3 ">
<a href= "# " onclick= "yuan(); "> 提交 </a>
</form>
</body>
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