<html>
<head>
<title>Untitled Document</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<style type="text/css">
<!--
.unnamed1 {
height: 150px;
width: 200px;
border: 0px none;
font-size: 100px;
font-weight: bolder;
color: #FF0000;
text-align: center;
}
-->
</style>
</head>
<script language="javascript">
var con='start';
var value = 0;
var valueArray = new Array();function showme() { if (con=='start') {
do {
value = Math.round(Math.random()*4 + 1);
if ( value < 10 )
value = "00" + value; if ( value < 100 )
value = "0" + value;
}
while ( valueArray[value] ) document.form.textfield.value = value; timeid=setTimeout('showme()',50);
}
else {
valueArray[value] = value; }}function startshowme(){
con='start';
showme();
}
function stopshowme(){
con='stop';
}
</script>
<body>
<p> </p>
<p><br>
</p>
<table width="100%" border="0" align="center" cellpadding="0" cellspacing="0">
<tr>
<td align="center"><form name="form" method="post" action="">
<input name="textfield" type="text" class="unnamed1" onFocus="this.blur()" size="30">
</form></td>
</tr>
<tr>
<td align="center"><input type="button" name="Button" value="开始" onClick="startshowme()">
<input type="button" name="Button" value="终止" onClick="stopshowme()"></td>
</tr>
</table>
</body>
</html>
<head>
<title>Untitled Document</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<style type="text/css">
<!--
.unnamed1 {
height: 150px;
width: 200px;
border: 0px none;
font-size: 100px;
font-weight: bolder;
color: #FF0000;
text-align: center;
}
-->
</style>
</head>
<script language="javascript">
var con='start';
var value = 0;
var valueArray = new Array();function showme() { if (con=='start') {
do {
value = Math.round(Math.random()*4 + 1);
if ( value < 10 )
value = "00" + value; if ( value < 100 )
value = "0" + value;
}
while ( valueArray[value] ) document.form.textfield.value = value; timeid=setTimeout('showme()',50);
}
else {
valueArray[value] = value; }}function startshowme(){
con='start';
showme();
}
function stopshowme(){
con='stop';
}
</script>
<body>
<p> </p>
<p><br>
</p>
<table width="100%" border="0" align="center" cellpadding="0" cellspacing="0">
<tr>
<td align="center"><form name="form" method="post" action="">
<input name="textfield" type="text" class="unnamed1" onFocus="this.blur()" size="30">
</form></td>
</tr>
<tr>
<td align="center"><input type="button" name="Button" value="开始" onClick="startshowme()">
<input type="button" name="Button" value="终止" onClick="stopshowme()"></td>
</tr>
</table>
</body>
</html>
<head>
<title>Untitled Document</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<style type="text/css">
<!--
.unnamed1 {
height: 150px;
width: 200px;
border: 0px none;
font-size: 100px;
font-weight: bolder;
color: #FF0000;
text-align: center;
}
-->
</style>
</head>
<script language="javascript">
var con='start';
var value;
var valueArray = new Array();function showme() { if (con=='start') {
do {
value = Math.round(Math.random()*4 + 1);
if ( value < 10 )
value = "00" + value;
else { if ( value < 100 )
value = "0" + value; }
}
while ( valueArray[value] ) document.form.textfield.value = value; timeid=setTimeout('showme()',50);
}
else {
valueArray[value] = value; }}function startshowme(){
con='start';
showme();
}
function stopshowme(){
con='stop';
}
</script>
<body>
<p> </p>
<p><br>
</p>
<table width="100%" border="0" align="center" cellpadding="0" cellspacing="0">
<tr>
<td align="center"><form name="form" method="post" action="">
<input name="textfield" type="text" class="unnamed1" onFocus="this.blur()" size="30">
</form></td>
</tr>
<tr>
<td align="center"><input type="button" name="Button" value="开始" onClick="startshowme()">
<input type="button" name="Button" value="终止" onClick="stopshowme()"></td>
</tr>
</table>
</body>
</html>
<head>
<title>Untitled Document</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<style type="text/css">
<!--
.unnamed1 {
height: 150px;
width: 200px;
border: 0px none;
font-size: 100px;
font-weight: bolder;
color: #FF0000;
text-align: center;
}
-->
</style>
</head>
<script language="javascript">
var con='start';function showme(){
if (con=='start')
{
var value=Math.round(Math.random()*500);
var zero="";
if(value/100<1){
zero+="0";
}
if(value/10<1){
zero+="0";
}
document.form.textfield.value=zero + Math.round(Math.random()*500);
timeid=setTimeout('showme()',50);}
}function startshowme(){
con='start';
showme();
}
function stopshowme(){
con='stop';
}
</script>
<body>
<p> </p>
<p><br>
</p>
<table width="100%" border="0" align="center" cellpadding="0" cellspacing="0">
<tr>
<td align="center"><form name="form" method="post" action="">
<input name="textfield" type="text" class="unnamed1" onFocus="this.blur()" size="30">
</form></td>
</tr>
<tr>
<td align="center"><input type="button" name="Button" value="开始" onClick="startshowme()">
<input type="button" name="Button" value="终止" onClick="stopshowme()"></td>
</tr>
</table>
</body>
</html>
----------------------------
<style type="text/css">
<!--
#d1{
height: 150px;
width: 200px;
border: 0px none;
font-size: 100px;
font-weight: bolder;
color: #FF0000;
text-align: center;
}
-->
</style>
</head>
<script language="javascript">var intl;function loop(){
var str = '00' + parseInt(Math.random()*500);
str = str.substring(str.length-3,str.length);
d1.innerText = str;
return str;
}function Start(){
intl = window.setInterval("loop();",10);
}function stop(){
if(d2.innerHTML.indexOf(d1.innerText)<0){
d2.innerHTML += d1.innerText + "<br>";
}
else{
while(d2.innerHTML.indexOf(loop1())<0){
d2.innerHTML += d1.innerText + "<br>";
}
}
window.clearInterval(intl);
}</script><div id="d1"></div>
<input type="button" name="Button" value="开始" onClick="Start()">
<input type="button" name="Button" value="终止" onClick="stop()">
结果:
<div id="d2"></div>
<script>
var ar=new Array();//建立数组,保存编号
for(var i=1;i<1000;i++)
ar[i-1]=i;
function getrand()
{
if(ar.length<1)return "";
var rnd=Math.round(Math.random()*ar.length);
var result="000"+ar[rnd];
result=result.substr(result.length-3,3);
ar[rnd]=ar[ar.length-1];
ar=ar.slice(0, -1);
return result;
}
</script>