<script language=javascript>
function retleng(){
var len
if (document.forms[0].publish.name) {
len=1;
} else {
len=document.forms[0].publish.length
}
alert(len)
}
</script>form中的代码如下:
<form>
<input type="text" name="publish" value="值1">
<input type="text" name="publish" value="值2">
<input type="text" name="publish" value="值3">
<input type="button" value="click" onClick="retleng()">
</form>
function retleng(){
var len
if (document.forms[0].publish.name) {
len=1;
} else {
len=document.forms[0].publish.length
}
alert(len)
}
</script>form中的代码如下:
<form>
<input type="text" name="publish" value="值1">
<input type="text" name="publish" value="值2">
<input type="text" name="publish" value="值3">
<input type="button" value="click" onClick="retleng()">
</form>
<script language=javascript>
function retleng(){
var publishs=document.getElementsByName("publish");//返回的总是数组
var len=publishs.length;
alert(len)
}
</script>form中的代码如下:
<form>
<input type="text" name="publish" value="值1">
<input type="text" name="publish" value="值2">
<input type="button" value="click" onClick="retleng()">
</form>
function retleng(){
var e = document.forms[0].publish ;
if(e)
if(e.length)
alert(document.forms[0].publish.length) ;
else
alert("1") ;
}
</script>form中的代码如下:
<form>
<input type="text" name="publish" value="值1">
<input type="text" name="publish" value="值2">
<input type="button" value="click" onClick="retleng()">
</form>
getElementsByName在NS4.76上不支持.
如果要求多浏览器的话, Andrawu(晓彬)是可行的啊.