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HTML Javascript

JavaScript makes HTML pages more dynamic and interactive.


<script >
    alert('JavaScript Alert box');
</script>

Javascript Example

Click the button to get the javascript alert


The HTML <script> Tag

The HTML <script> tag is used to define a client-side script (JavaScript).


This JavaScript example writes "Hello JavaScript!" into an HTML element with id="demo":


<script >
    document.getElementById("demo").innerHtml = "Hello Javascript!";
</script>

Hello Javascript


another example of javascript


<script >
    document.getElementById("demo").innerHtml = "Hello Javascript!";
    document.getElementById("demo").style.color = "red";
    document.getElementById("demo").style.fontSize = "30px";
    document.getElementById("demo").style.fontFamily = "monospace";
    document.getElementById("demo").style.backgroundColor = "yellow";
</script>

Hello Javascript


The HTML <noscript> Tag

The HTML <noscript> tag defines an alternate content to be displayed to users that have disabled scripts in their browser or have a browser that doesn't support scripts:


<script >
    document.getElementById("demo").innerHtml = "Hello Javascript!";
</script>
<noscript >
    Sorry, your browser does not support JavaScript!
</noscropt>



Conclusion

In this page (written and validated by ) you learned about HTML javascript . What's Next? If you are interested in completing HTML tutorial, your next topic will be learning about: HTML filepath.



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