In this tutorial you can show afew javascript examples
Image swapping:
Here is the classic mouseover button effect that shows one image when it is left alone, and another when the mouse passes over it, there are two graphic buttons, one called "img11.jpg" and the other called "img21.jpg." The buttons contain onMouseOver and onMouseOut instructions that change the image objects from "img11.jpg" to "img12.jpg" and from "img21.jpg" to "img22.jpg" respectively, and back again.
<html>
<head>
</head>
<script type="text/javascript">
<!--
function PreloadImages() {
var aImages = new Array(img12.jpg,img22.jpg);
for(var i=0; i < aImages.length; i++) {
var img = new Image();
img.src = aImages[i];
}
}
//-->
</script>
<body onLoad="PreloadImages()">
<a href="index.html"
onMouseOver="document.img1.src=img12.jpg;"
onMouseOut="document.img1.src=img11.jpg;">
<img src="img11.jpg" name="img1">
<a href="javascript-examples.html"
onMouseOver="document.img2.src=img22.jpg;"
onMouseOut="document.img2.src=img21.jpg;">
<img src="img21.jpg" name="img2">
</body>
</html>
Using cookies:
This script uses a cookie to store the variable count.
<html>
<body>
<script type="text/javascript">
<!--
var count=document.cookie.indexOf("cnt=");
if(count>=0) count=document.cookie.substring(count+4);
else count=0;
document.cookie = "cnt=" + (count+1) + ";expires=Fri,1 Jan 2010 00:00:00";
var aStrings = new Array(
"<a href=index.html>Home Page</a>",
"<a href=examples.html>JavaScript Examples</a>",
"<a href= utorials.html>JavaScript Tutorials</a>"
);
document.write(aStrings[count%aStrings.length]);
//-->
</script>
</body>
</html>
Original Source:
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