How to use JavaScript into HTML code?

A JavaScript program can be kept in html page under <script> JavaScript program </script> tag. We can place unlimited number of scripts in the html program in head or body section.
 
 
Keeping JavaScript in head section
If we want that the JavaScript program should be executed when it is called, then we should keep it in head section.
 
How to keep JavaScript in head section of a HTML file:
 
<html>

<head>

<script type=”text/JavaScript”>

script code

</script>

</head>

</head>

 
This is just syntax (how & where to type), we will learn it in detail after learning functions.
 
Keeping JavaScript in body section
 
If we want that the script should be executed when the page loads then we should keep the JavaScript program in body section.
 
How to keep JavaScript in body section of a HTML file :
 
<html>

<head>

</head>

<body>

<script type=”text/JavaScript”>

script code

</script>

</body>

</head>

 
This is just syntax (how & where to type) we will learn it in detail after learning variables.
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