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© Copyright Virtual University of Pakistan 57
Lesson 13
JAVA SCRIPTING
Java script examples
<HTML>
<HEAD>
<TITLE>Javascript Example</TITLE>
<SCRIPT LANGUAGE="JavaScript" TYPE="text/javascript">
<!--alert("Thank you for visiting my web site!")
//-->
</SCRIPT>
</HEAD>
<BODY>
</BODY>
</HTML>
Result is shown in Fig. 1 below.
Fig. 1
Note we can embed JavaScript code/instructions in the plain HTML code with the help of <script> and
</script> tags. In the above example ‘alert’ is the function/method of a predefined browser object that is,
window object, and is used to create alert boxes or popup messages on the window. ‘//’ is used in
JavaScript to provide comments. Here, we use ‘//’ so that old browsers that do not support JavaScript treat
information within the Script tag as comments.
Writing on the page
<HTML>
<HEAD>
<TITLE>example-writing on the page</TITLE>
</HEAD>
<BODY>
<SCRIPT LANGUAGE="JavaScript" TYPE="text/javascript">
<!--
document.write("Hello! Thank you for visiting my web site.")
//-->
</SCRIPT>
</BODY>
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