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An error in Firefox code

Δημοσιεύτηκε

I am a web developer, and i am using Iceweasel 31.7.0 (which is based of Firefox) under Linux Debian wheezy.

A problem appears when i am writing a javascript code. My goal is to determine a size of screen (i am using typical pc, not any mobile device). So i am writing:

var body = window.document.body.style

// block to determine width body.height = '1px' for ( var i = 0; ; i++ ) {

  body.width = i + 'px'

window.document.documentElement.scrollLeft = 1

  if ( window.document.documentElement.scrollLeft != 0 )

break } i--

// block to determine height body.width = '1px' for ( var k = 0; ; k++ ) {

  body.height = k + 'px'

window.document.documentElement.scrollTop = 1

  if ( window.document.documentElement.scrollTop != 0 )

break } k--

body.width = ( i ) + 'px' body.height = ( k ) + 'px'


So after this code both scroll line appears! When it should not be because i an k variables are choosen maximum without scroll. And, moreover, an error disappears (both scroll lines disappears) when two blocks switched by place each other (first determine height, then width).

I'll appreciate at least confirmation that it is an error, even if you cannot provide a patch for Iceweasel. Thank you.

I am a web developer, and i am using Iceweasel 31.7.0 (which is based of Firefox) under Linux Debian wheezy. A problem appears when i am writing a javascript code. My goal is to determine a size of screen (i am using typical pc, not any mobile device). So i am writing: var body = window.document.body.style // block to determine width body.height = '1px' for ( var i = 0; ; i++ ) { body.width = i + 'px' window.document.documentElement.scrollLeft = 1 if ( window.document.documentElement.scrollLeft != 0 ) break } i-- // block to determine height body.width = '1px' for ( var k = 0; ; k++ ) { body.height = k + 'px' window.document.documentElement.scrollTop = 1 if ( window.document.documentElement.scrollTop != 0 ) break } k-- body.width = ( i ) + 'px' body.height = ( k ) + 'px' -------------------------------------------------------------------------------------------- So after this code both scroll line appears! When it should not be because i an k variables are choosen maximum without scroll. And, moreover, an error disappears (both scroll lines disappears) when two blocks switched by place each other (first determine height, then width). I'll appreciate at least confirmation that it is an error, even if you cannot provide a patch for Iceweasel. Thank you.

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Εφαρμογή

  • Πλατφόρμα χρήστη: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Firefox/31.0 Iceweasel/31.7.0

Περισσότερες πληροφορίες

FredMcD
  • Top 10 Contributor
4308 λύσεις 60491 απαντήσεις
Δημοσιεύτηκε

I've called the big guys to help you. Good luck.

I've called the big guys to help you. Good luck.
guigs 1072 λύσεις 11697 απαντήσεις
Δημοσιεύτηκε

Iceweasel is a rebranded version of Firefox and is maintained by the Debian community afaik. However I did take a look at the script and played a bit in jsfiddle. It looks like the scrollbars will appear anyway .

You might be able to get some better feedback in the stackoverflow.com forums as well:

Iceweasel is a rebranded version of Firefox and is maintained by the Debian community afaik. However I did take a look at the script and played a bit in jsfiddle. It looks like the scrollbars will appear anyway . *[http://jsfiddle.net/xn8tg8dn/] You might be able to get some better feedback in the stackoverflow.com forums as well: *[https://support.mozilla.org/en-US/kb/where-go-developer-support Where to go for developer support]