javascript| Script
Unicode encoding and encoding in Chinese with JavaScript
<script>
function Unicode (s) {
var len=s.length;
var rs= "";
for (Var i=0;i<len;i++) {
var k=s.substring (i,i+1);
rs+= "&#" +s.charcodeat (i) + ";";
}
Return RS;
}
function Runicode (s) {
var k=s.split (";");
var rs= "";
for (i=0;i<k.length;i++) {
var m=k.replace (/&#/, "");
Rs+=string.fromcharcode (m);
}
Return RS;
}
Alert (Unicode ("I Am a Pig"));//I'm a pig.
Alert (Runicode ("I Am a Pig"));
</script>
image dimensions are loaded and modified to fit the page width
<script>
function foo () {
var K=document.all;
for (Var i=0;i<k.length;i++) {
if (k.tagname== "IMG") {
if (k.width>500) {//500 is the maximum width
var height=math.ceil (k.height*500/k.width);
K.height=height;
K.width= "500";
}
}
}
}
</script>
<body >
<input type= "button" value= "sub"/>
A countdown function, 5 minutes of reminders, 0 seconds automatic submission
<script language= "JavaScript" >
<!--
var time= "3600";
var atime= "300"; Define Time
var etime= "0";
function count () {
SetTimeout ("Count ()", 1000); 1000 ms = 1 seconds Load count
Document.form1.rest.value=format (Math.floor (TIME/60)) + "min:" +format (time%60) + "seconds";
time--;
if (time==atime) {
Alert ("5 minutes left");
}
if (time==etime-1) {
Alert ("Time to, has been automatically submitted");
Document.form1.submit ();
}
}
function format (time) {
var len=time.tostring (). length;
for (i= "0"; i<2-len;i++) {
time+= "0";
}
return time;
}
-->
</SCRIPT>
<form action= "save.asp" method= "Post" Name= "Form1"/>
<input type= "button" value= "Start"/>
<input type= "text" name= "Rest" value= "60 Minutes: 00 Seconds"/>
</form>
a simple calculator.
<form name= "Form2" >
<input type= "button" value= "0" name= "a" >
<input type= "button" value= "1" name= "a" >
<input type= "button" value= "2" name= "a" >
<input type= "button" value= "3" name= "a" >
<input type= "button" value= "4" name= "a" >
<input type= "button" value= "5" name= "a" >
<input type= "button" value= "6" name= "a" >
<input type= "button" value= "7" name= "a" >
<input type= "button" value= "8" name= "a" >
<input type= "button" value= "9" name= "a" >
<input type= "button" value= "-" name= "a" >
<input type= "button" value= "+" Name= "a" >
<input type= "button" value= "*" Name= "a" >
<input type= "text" name= "Total" readonly>
<input type= "button" value= "calculation" name= "B" >
<input type= "button" value= "Empty" name= "C" >
</form>
<script language= "JavaScript" >
<!--
function count (Form1) {
var k = event.srcelement;
if (k.tagname== "INPUT") {
if (k.name== "a") {
Form1.total.value+=k.value;
}
else if (k.name== "B") {
var a=eval (Form1.total.value);
alert (a);
}
else if (k.name== "C") {
Form1.total.value= "";
}
}
}
-->
</SCRIPT>