Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > comp.lang.javascript > #28614

Re: Change font size in multiple classes

Show all headers | View raw

Andrew Poulos <ap_prog@hotmail.com> wrote on 03 Sep 2015 in 
comp.lang.javascript:

> On 3/09/2015 6:51 PM, Evertjan. wrote:
>> ram@zedat.fu-berlin.de (Stefan Ram) wrote on 03 Sep 2015 in
>> comp.lang.javascript:
>>
>>> Andrew Poulos <ap_prog@hotmail.com> writes:
>>>> Is one way "better" than the other or is there another way to do this?
>>>
>>>    Maybe you can use a JavaScript element right behind the
>>>    style element to convert all the px values into em values
>>>    (only once, when the page is loaded). When no contents has
>>>    been displayed yet, this should be faster than when it is
>>>    done later.
>>
>> Works fine, start with:
>>
>> body {font-size:62.5%;} // <http://pxtoem.com/>
>>
>> and
>>
>> temp = document.getElementsByTagName('*');
>> for (el in temp)
>>    if (temp[el].style && temp[el].style.fontSize)
>>      temp[el].style.fontSize =
>>        temp[el].style.fontSize.replace(/(\d)px/,'.$1em');
>>
> 
> I'm having a little trouble getting it to work (but thanks for the way 
> forward).

What seems to be the trouble?

I only tested on Chrome, but should be working on all modern browsers.

Do not try to dynamicly change the 62.5% until the above is working,
and changing that same 62.5% does as expected other than by debugging with 
F12 and the up and down keys. 

> So far I've changed
>    temp = document.getElementsByTagName('*');
> to
>    temp = document.body.getElementsByTagName('*');

Why?

Do you have tags having a style
[and if so then also having a fontsize]
outside the body?

-- 
Evertjan.
The Netherlands.
(Please change the x'es to dots in my emailaddress)

Back to comp.lang.javascript | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

Thread

Change font size in multiple classes Andrew Poulos <ap_prog@hotmail.com> - 2015-09-03 13:55 +1000
  Re: Change font size in multiple classes "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-09-03 10:09 +0200
  Re: Change font size in multiple classes "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-09-03 10:51 +0200
    Re: Change font size in multiple classes Andrew Poulos <ap_prog@hotmail.com> - 2015-09-03 20:39 +1000
      Re: Change font size in multiple classes Jake Jarvis <pig_in_shoes@yahoo.com> - 2015-09-03 16:20 +0200
        Re: Change font size in multiple classes "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-09-03 16:27 +0200
          Re: Change font size in multiple classes Jake Jarvis <pig_in_shoes@yahoo.com> - 2015-09-03 16:30 +0200
            Re: Change font size in multiple classes "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-09-03 16:39 +0200
              Re: Change font size in multiple classes Andrew Poulos <ap_prog@hotmail.com> - 2015-09-04 15:49 +1000
                Re: Change font size in multiple classes "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-09-04 09:37 +0200
                Re: Change font size in multiple classes Andrew Poulos <ap_prog@hotmail.com> - 2015-09-04 18:11 +1000
                Re: Change font size in multiple classes Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-09-07 03:33 +0200
      Re: Change font size in multiple classes "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-09-03 16:24 +0200
  Re: Change font size in multiple classes Dr J R Stockton <reply1500@merlyn.demon.co.uk.invalid> - 2015-09-05 20:49 +0100
    Re: Change font size in multiple classes Andrew Poulos <ap_prog@hotmail.com> - 2015-09-06 19:30 +1000
      Re: Change font size in multiple classes Dr J R Stockton <reply1500@merlyn.demon.co.uk.invalid> - 2015-09-07 20:27 +0100
  Re: Change font size in multiple classes Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-09-06 14:07 +0200
    Re: Change font size in multiple classes Andrew Poulos <ap_prog@hotmail.com> - 2015-09-07 09:53 +1000
      Re: Change font size in multiple classes Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-09-07 20:35 +0200
        Re: Change font size in multiple classes Andrew Poulos <ap_prog@hotmail.com> - 2015-09-08 14:18 +1000
          Re: Change font size in multiple classes Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-09-09 04:51 +0200

csiph-web