日期:2014-05-16 浏览次数:20504 次
<HTML>
 <HEAD>
  <TITLE> test </TITLE>
  
 </HEAD>
 <BODY>
    <script language="javascript">
        function getNumber()
            {
                alert();
            }
    </script>
 </BODY>
    <form name = "myForm">
        <input type = "button" name = "myButton" value = "1">
        <input type = "button" name = "myButton" value = "2">
        <input type = "button" name = "myButton" value = "3">
    </form>
</HTML>
function getNumber(){
   var t = document.getElementsByTagName("input");
   for(var i=0; i<t.length; i++){
      alert(t[i].value);
   }
}
------解决方案--------------------
<HTML>
<HEAD>
<TITLE> test </TITLE>
<script language="javascript">
function showSingleInputValue(n){
  alert('第三个Input的值为:'+document.getElementsByTagName("myButton")[n].value);
}
function showAllInputValue(){
  var o = document.getElementsByTagName("INPUT");//取得所有Input对象集合;
  var arr=[];//定义一个数组用来存放Input对象值
  for(var i=0; i<o.length; i++){
    arr.push(o[i].value);//将各个Input对象值压入数组      
  }
  document.getElementsByName("myText")[0].value=arr.jion(",")
  alert('共有'+o.length+'个Input对象,其值分别为:'+arr);
}
window.onload=function(){
  showAllInputValue()//页面加载完毕后显示所有Input对象的值
}
</script> 
 </HEAD>
 <BODY>
    <form name = "myForm">
        <input type = "text" name = "myText" value = "0">
        <input type = "button" name = "myButton" value = "1">
        <input type = "button" name = "myButton" value = "2">
        <input type = "button" name = "myButton" value = "3">
    </form>
    <input type = "button" name = "showSingleButtonValue" value = "显示第三个Input对象的值" onclick="showSingleInputValue(2)" 
 />
 </BODY>
</HTML>