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Knowledge::

HTML Scripts
JavaScripts make HTML pages more dynamic and interactive.

Examples

Try it Yourself - Examples

Insert a script
How to insert a script into an HTML document.

Use of the <noscript> tag
How to handle browsers that do not support scripting, or have scripting disabled.

The HTML <script> Tag

The <script> tag is used to define a client-side script, such as a JavaScript.

The <script> element either contains scripting statements or it points to an external script file through the src attribute.

Common uses for JavaScript are image manipulation, form validation, and dynamic changes of content.

The script below writes Hello World! to the HTML output:

Example

<script>
document.write("Hello World!")
</script>


Try it yourself »

[img border="0" src="http://www.w3schools.com/images/lamp.gif" alt="Remark">Tip: To learn more about JavaScript, visit our JavaScript tutorial!

The HTML <noscript> Tag

The <noscript> tag is used to provide an alternate content for users that have disabled scripts in their browser or have a browser that doesn’t support client-side scripting.

The <noscript> element can contain all the elements that you can find inside the <body> element of a normal HTML page.

The content inside the <noscript> element will only be displayed if scripts are not supported, or are disabled in the user’s browser:

Example

<script>
document.write("Hello World!")
</script>
<noscript>Sorry, your browser does not support JavaScript!</noscript>


Try it yourself »

A Taste of JavaScript (From Our JavaScript Tutorial)

Here are some examples of what JavaScript can do:

JavaScript can write directly into the HTML output stream:

document.write("<p>This is a paragraph</p>");


Try it yourself »

JavaScript can react to events:

<button type="button" onclick="myFunction()">Click Me!</button>


Try it yourself »

JavaScript can manipulate HTML styles:

document.getElementById("demo").style.color="#ff0000";


Try it yourself »

HTML Script Tags

TagDescription
<script>Defines a client-side script
<noscript>Defines an alternate content for users that do not support client-side scripts

Parameters


Returns/Result


Examples


Reference

See Also


On the forum about HTML Scripts

[@EOF@]...

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Hi there,I am trying to use an external MySQL DB in dataease. I have successfully create the ODBC link and added the DB to dataease. I can also access the DB from dataease. Now, just for testing purposes, I am trying to create a simple report b...

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no se pude exportar ahora archivos a pdf, ni a excel o otros cosa mala. en verdad creo que hace faltaen las versiones anteriores me funcionaba mas o menos bien.&nbsp;le hace falta a los aplicativos que se desarrollan en Dataeasegr...

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Thanks. Anyway I'm trying to use this fuction but it seems to me that it doesn't work on 8.2. I tried also in a DQL.There's something wrong?<img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAA9IAAAJ3CAYAAAB4NWk3AAAAAXNSR0IArs4...

Product: . Written by Marco Marchesi 15/02/16 at 14:50:46

[@EOF@]...

Product: Dataease [{8}]FIVE. Written by Chamil Rajindra 21/02/19 at 10:17:46

Thanks for the very good explanation!AS...

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I am pleased to see that the migration from Dos 4.53 is then sa 5.5 works. A really useful thing would be a compiler of SQL languages. Will you get there?Original Text:Mi compiaccio a vedere che la migrazione da Dos 4.53 è poi sa 5.5 funzio...

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How can i delete a Style sheet?...

Product: Dataease [{8}]FIVE. Written by Rainer 22/03/21 at 11:13:10

I run W7 and since a few days&nbsp;Dataease 8.5 is not starting any more, do you have an idea? i installed it again but that did not help....

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[@EOF@]...

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On the blog about HTML Scripts


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