HTML <noscript> Tag
Example
Use of the <noscript> tag:<script type="text/javascript">
document.write("Hello World!")
</script>
<noscript>Sorry, your browser does not support JavaScript!</noscript>Definition and Usage
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.
Browser Support
The
<noscript> tag is supported in all major browsersDifferences Between HTML and XHTML
NONEStandard Attributes
Тег<noscript> поддерживает следующие стандартные атрибуты:| Attribute | Value | Description | DTD |
|---|---|---|---|
| class | classname | Specifies a classname for an element | STF |
| dir | rtl ltr | Specifies the text direction for the content in an element | STF |
| id | id | Specifies a unique id for an element | STF |
| lang | language_code | Specifies a language code for the content in an element | STF |
| style | style_definition | Specifies an inline style for an element | STF |
| title | text | Specifies extra information about an element | STF |
| xml:lang | language_code | Specifies a language code for the content in an element, in XHTML documents | STF |
More information about Standard Attributes.
DTD indicates in which HTML 4.01/XHTML 1.0 DTD the attribute is allowed. S=Strict, T=Transitional, and F=Frameset.
Event Attributes
The<noscript> tag supports the following event attributes:| Attribute | Value | Description | DTD |
|---|---|---|---|
| onclick | script | Script to be run on a mouse click | STF |
| ondblclick | script | Script to be run on a mouse double-click | STF |
| onmousedown | script | Script to be run when mouse button is pressed | STF |
| onmousemove | script | Script to be run when mouse pointer moves | STF |
| onmouseout | script | Script to be run when mouse pointer moves out of an element | STF |
| onmouseover | script | Script to be run when mouse pointer moves over an element | STF |
| onmouseup | script | Script to be run when mouse button is released | STF |
| onkeydown | script | Script to be run when a key is pressed | STF |
| onkeypress | script | Script to be run when a key is pressed and released | STF |
| onkeyup | script | Script to be run when a key is released | STF |
More information about Event Attributes.
According to the W3C standard, the <noscript> tag supports event attributes.
However, since the noscript element is used to provide an alternate content for users that have disabled scripts, we cannot see
any use for this.
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