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Re: Apply a CSS block onresize?

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Martin Honnen wrote:

> I would not change the id of the element but its class e.g.

I would not do either in this case.

> […]
>> <body onresize="change_display()">
>>
>> <script>
>> if(d.body.scrollWidth < 800){

You should solve this problem with CSS media queries, not scripting.
 
>   d.write('<div id="menu" class="small">');

Do not do that in any case.

  1. You are generating an incomplete element.  This is error-prone at best.
  2. You are generating an element in a render-blocking fashion.

(2) is acceptable if, and only if, you want to ensure maximum backwards-
compatibility.  That is, below IE/MSHTML 4 and Netscape 6.  (For example, 
I am using document.write() as a fallback in the ECMAScript Support Matrix 
[see sig] if .appendChild() & friends are unavailable.)

>> }
>> else{
> 
>   d.write('<div id="menu" class="big">');

See above.

>> }
>> </script>
>>
>> <h2>My big or small menu</h2>
>> <li><a href="#">Item 1</li>
>> <li><a href="#">Item 2</li>
>> etc.

<http://validator.w3.org/> (HTML < 5, XHTML)
<http://validator.w3.org/nu/> (HTML5)

>> <script>
>> d.write('</div>');

No.

> These days CSS might have more powerful rules that don't depend on
> Javascript to adjust your display to the size of the viewport.

It not only might have them, it does: Media Queries.
 
<https://developer.mozilla.org/en-US/docs/Web/Guide/CSS/Media_queries> pp.

> --- news://freenews.netfront.net/ - complaints: news@netfront.net ---

You should avoid this source of trolls.

-- 
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Thread

Apply a CSS block onresize? Tuxedo <tuxedo@mailinator.com> - 2015-08-19 16:51 +0200
  Re: Apply a CSS block onresize? Martin Honnen <mahotrash@yahoo.de> - 2015-08-19 17:38 +0200
    Re: Apply a CSS block onresize? Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-08-19 18:52 +0200
      Re: Apply a CSS block onresize? Tuxedo <tuxedo@mailinator.com> - 2015-08-19 22:17 +0200

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