Previously I posted the definition of javascript. Now I'm giving an example on how to put javascript to the html document.
The HTML <script> tag is used to insert a JavaScript into an HTML page.
The example below writes a <p> element with current date information to the HTML document:
<html>
<body>
<h1>My First Web Page</h1>
<script type="text/javascript">
document.write("<p>" + Date() + "</p>");
</script>
</body>
</html>
Output:
 |
Note: Try to avoid using document.write() in real life JavaScript code. The entire HTML page will be overwritten if document.write() is used inside a function, or after the page is loaded. However, document.write() is an easy way to demonstrate JavaScript output in a tutorial.
To insert a JavaScript into an HTML page, use the <script> tag.
Inside the <script> tag use the type attribute to define the scripting language.
The <script> and </script> tells where the JavaScript starts and ends:
The lines between the <script> and </script> contain the JavaScript and are executed by the browser.
For more information: w3schools
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