Hello,
In my script, the line
document.getEle mentById(id).st yle.background-position = "-200px -500px";
fails !
So, how can I change the background-position value ?
Thanks, Denis
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<META NAME="Generator " CONTENT="EditPl us">
<META NAME="Author" CONTENT="">
<META NAME="Keywords" CONTENT="">
<META NAME="Descripti on" CONTENT="">
<style>
div.hr {
border: solid #0000FF;
display: inline;
height: 600px;
width: 300px;
background-image: url(plan_statio n.gif);
background-repeat: no-repeat;
background-position: -100px -400px;
margin: 0em 0 0em 0;
}
</style>
<SCRIPT LANGUAGE="JavaS cript" TYPE="text/javascript">
function goRight(id)
{
document.getEle mentById(id).st yle.height="100 px";
document.getEle mentById(id).st yle.background-position = "-200px -500px";
}
</SCRIPT>
</HEAD>
<BODY>
<a href="#" onclick="goRigh t('myDiv')">rig ht</a>
<DIV id="myDiv" class = "hr" ></DIV>
</BODY>
</HTML> 4  26575 
Ghyslaine Crespe wrote: Hello,
In my script, the line
document.getEle mentById(id).st yle.background-position = "-200px -500px";
[snip]
With hyphenated style properties you are usually meant to refer to them
in code by dropping the hyphen and capitalising the next word (the
intercapitalisa tion system). In your case, "background-position" becomes
"backgroundPosi tion"
Andrew Poulos
On Sun, 26 Dec 2004 00:40:08 +0100, Ghyslaine Crespe
<gh************ **@worldonline. fr> wrote:
[snip] So, how can I change the background-position value ?
Whilst background-position is the correct property name in CSS, it's an
illegal identifier in ECMAScript. You're looking for backgroundPosit ion.
[snip]
background-image: url(plan_statio n.gif);
background-repeat: no-repeat;
background-position: -100px -400px;
Be careful when specifying a background image without a background colour.
Make sure that the foreground content is still easily viewable if images
are disabled.
margin: 0em 0 0em 0;
That should be reduced to
margin: 0;
[snip]
<SCRIPT LANGUAGE="JavaS cript" TYPE="text/javascript">
The language attribute is deprecated and besides, specifying the
(required) type attribute makes it redundant.
function goRight(id)
{
document.getEle mentById(id).st yle.height="100 px";
document.getEle mentById(id).st yle.background-position
= "-200px -500px";
It would be more efficient to save a reference to the element, rather than
look it up twice:
var style = document.getEle mentById(id).st yle;
style.height = '100px';
style.backgroun dPosition = '-200px -500px';
Preferably, it would include feature detection. Something like
var obj, style;
if(document.get ElementById && (obj = document.getEle mentById(id))
&& (style = obj.style))
{
style.height = '100px';
style.backgroun dPosition = '-200px -500px';
}
[snip]
<a href="#" onclick="goRigh t('myDiv')">rig ht</a>
If you don't cancel the click event here, the vertical position of the
document may change:
onclick="goRigh t('myDiv');retu rn false;"
Hope that helps,
Mike
Merry Christmas
--
Michael Winter
Replace ".invalid" with ".uk" to reply by e-mail.
Yes, it helps me a lot. Thanks for all these clues!
Denis
"Michael Winter" <M.******@bluey onder.co.invali d> a écrit dans le message de
news:opsjk97azv x13kvk@atlantis ... On Sun, 26 Dec 2004 00:40:08 +0100, Ghyslaine Crespe
<gh************ **@worldonline. fr> wrote:
[snip]
So, how can I change the background-position value ?
Whilst background-position is the correct property name in CSS, it's an
illegal identifier in ECMAScript. You're looking for backgroundPosit ion.
[snip]
background-image: url(plan_statio n.gif);
background-repeat: no-repeat;
background-position: -100px -400px;
Be careful when specifying a background image without a background colour.
Make sure that the foreground content is still easily viewable if images
are disabled.
margin: 0em 0 0em 0;
That should be reduced to
margin: 0;
[snip]
<SCRIPT LANGUAGE="JavaS cript" TYPE="text/javascript">
The language attribute is deprecated and besides, specifying the
(required) type attribute makes it redundant.
function goRight(id)
{
document.getEle mentById(id).st yle.height="100 px";
document.getEle mentById(id).st yle.background-position
= "-200px -500px";
It would be more efficient to save a reference to the element, rather than
look it up twice:
var style = document.getEle mentById(id).st yle;
style.height = '100px';
style.backgroun dPosition = '-200px -500px';
Preferably, it would include feature detection. Something like
var obj, style;
if(document.get ElementById && (obj = document.getEle mentById(id))
&& (style = obj.style))
{
style.height = '100px';
style.backgroun dPosition = '-200px -500px';
}
[snip]
<a href="#" onclick="goRigh t('myDiv')">rig ht</a>
If you don't cancel the click event here, the vertical position of the
document may change:
onclick="goRigh t('myDiv');retu rn false;"
Hope that helps,
Mike
Merry Christmas
--
Michael Winter
Replace ".invalid" with ".uk" to reply by e-mail.
Ghyslaine Crespe wrote on 26 dec 2004 in comp.lang.javas cript: document.getEle mentById(id).st yle.background-position
document.getEle mentById(id).st yle.backgroundP osition
--
Evertjan.
The Netherlands.
(Please change the x'es to dots in my emailaddress) This thread has been closed and replies have been disabled. Please start a new discussion. Similar topics | |
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