JavaScript学习(一)

来源:互联网 发布:淘宝客服回复客人刁难 编辑:程序博客网 时间:2024/06/05 18:04

1.

<body>
<form name="myform">
您在此停留了:
<input name="clock" size="18" value="在线时间"/>
</form>
<script type="text/javascript">
var iM,iS;
var start = new Date();
function go(){
var now = new Date();
var time = (now.getTime() - start.getTime())/1000;
time = Math.floor(time);
//秒
iS = time%60;
//分
iM = Math.floor(time/60);
if(iS < 10)
document.myform.clock.value = " "+iM+"分 0"+iS+"秒";
else
document.myform.clock.value = "  "+iM+"分 "+iS+"秒";
setTimeout("go()",1000);
}
go();
</script>
</body>

2.

<body>
<form name="test">
<!-- <input type="text" name="userName" value="qi" onFocus="JavaScript:alert(document.test.userName.value)"/>-->
<!-- <input type="test" name="userName" value="qi" onblur="JavaScript:alert(document.test.userName.value)"/>-->
<!-- <input type="text" name="userName" value="qi" onchange="JavaScript:alert(document.test.userName.value)" />-->

</form>
</body>

3.

<script type="text/javascript">
 function check(){
  if(document.test.t.value==""){
   alert("空串不充许");
   return false;
  }
  return true;
 }
</script>
<body>
 <form name="test" action="" onsubmit="return check();">
  <input  type="text" name="t"/>
  <input type="submit" value="OK" />
 </form>
</body>

4.

 <Script language="JavaScript">
 var userName = prompt("请输入你的名字:");
   document.write("你好!"+userName);
 </Script>

5.


<Script language="JavaScript">
 function confirmit()
 {
   if(confirm("你确认删除此文件么?"))
   {
    document.testa.submit();
   }
  }   
 </Script> 
 </head>
 <body>
 <form name="testa" action="ttt.jsp" method="post">
  <input type="button" value="删除文件" onclick="JavaScript:confirmit()" name="aaa">
 </form>
 </body>

6.

<script type="text/javascript">
 function goto(){
  window.location = "001.html";
 }
</script>
<body>
 <input type="button" value="转向" onclick="JavaScript:goto()" />
</body>

7.

<script>
   <!--
   var count=0
   function play(){
   msg=borba.innerText
   comp=msg.length
   type()
   }
   function type(){
   if(count<=comp){
   borba.innerText=msg.substring(0,count)
   count++
   setTimeout("type()",200)}
   else{
   count=0
   play()
   }}
   //-->
   </script>

</head>
<body onload="play()">
<span id="borba" ><font color="#000000">

欢迎您的光临!请您留意,本站的特色栏目正在建设当中,别忘了留下你的建议
</font>
</span>
</body>

8.

<script type="text/javascript">
 do{
  var name = prompt("What is your name?");
  var correct = confirm("You entered '"+name+"'\n"+"click ok to proceed or cancel to re-enter");
 }while(!correct)
 alert("Hello: "+name);
</script>

 

原创粉丝点击