How and Where Do You Place JavaScript Code?

How and Where Do You Place JavaScript Code? 1

How to put a JavaScript code into an HTML page?

•Use the <script> tag (also use the type attribute to define the scripting language)

<html>
<head>
<script type="text/javascript">
...
</script>
</head>
<body>
<script type="text/javascript">
...
</script>
</body>
</html>

Where Do You Place Scripts?

• Scripts can be in the either <head> section or
<body> section

• Convention is to place it in the <head> section

<html>
<head>
<script type="text/javascript">
....
</script>
</head>

Referencing External JavaScript File

• Scripts can be provided locally or remotely accessible JavaScript file using src attribute

<html>
<head>
<script language="JavaScript" type="text/javascript" src="http://somesite/myOwnJavaScript.js">
</script>
<script language="JavaScript" type="text/javascript" src="myOwnSubdirectory/myOwn2ndJavaScript.js">
</script>