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if(document.getElementsByName(c).background.indexOf(‘../bin/sort.jpg’)!=-1)

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Feb 19.2006

if(document.getElementsByName(c).background.indexOf(‘../bin/sort.jpg’)!=-1)

why this not working 😡

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JavaScript

14 Comments(s) ↴

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@Mr_JFeb 19.2006 — How have you applied the background?

Maybe you need

if(document.getElementsByName(c).style.backgroundImage.indexOf('../bin/sort.jpg')!=-1)
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@gert_cuykensauthorFeb 19.2006 — Aleloia it works ?
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@gert_cuykensauthorFeb 19.2006 — wait a minute it doesnt work :mad:

<td name=0 class=header onclick=sc(0);>servers</td>

Error: document.getElementsByName("0").backgroundImage has no properties
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@Mr_JFeb 19.2006 — I think you are using the wrong method by using

document.getElementsByName

it should be

document.getElementById

Give your td cell an ID and try

if(document.getElementById(c).style.backgroundImage.indexOf('../bin/sort.jpg')!=-1)

Something else you could try

if(document.getElementById(c).currentStyle.backgroundImage.indexOf('../bin/sort.jpg')!=-1) - for IE

if(document.defaultView.getComputedStyle(document.getElementById(c), '').getPropertyValue("background-image").indexOf('../bin/sort.jpg')!=-1) - for Mozilla
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@MstrBobFeb 20.2006 — If you are using getElementsByName, it will return an array. So if you want the first element, use:

<i>
</i>if(document.getElementsByName(c)[0].style.backgroundImage.indexOf('../bin/sort.jpg')!=-1)
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@gert_cuykensauthorFeb 20.2006 — [code=php]document.getElementsByName(c)[0].backgroundImage has no properties[/code]

grrrr... is there no javascript code that can print the dom structure of my page
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@gert_cuykensauthorFeb 20.2006 — o o wait a minute could it be that i forgot ".style." ?
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@Mr_JFeb 20.2006 — You mean as per my first reply ?
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@gert_cuykensauthorFeb 20.2006 — eeeeuh no , look a bird (need a running away smily)
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@MstrBobFeb 20.2006 — [code=php]document.getElementsByName(c)[0].backgroundImage has no properties[/code]

grrrr... is there no javascript code that can print the dom structure of my page[/QUOTE]

If you use Firefox, the DOM Inspector tool will show you that.
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@gert_cuykensauthorFeb 20.2006 — my firefox 107 doesnt have a DOM inspectore in the tools menu ? Where can i find it ?
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@gert_cuykensauthorFeb 20.2006 — ok i found a DOMI now how do i see whats the right DOM path of a element ? I can only see the atributes and property's of a DOM node ?
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@gert_cuykensauthorFeb 20.2006 — this works
[code=php] if(document.getElementsByName(c)[0].style.backgroundImage.indexOf('url(../bin/sort.jpg)')!=-1)
{document.getElementsByName(c)[0].style.backgroundImage='url(../bin/down.jpg)'}[/code]

But it doesnt actualy change the background you are seeing but only the value, does anybody know the DOM path to change background ?
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@MstrBobFeb 20.2006 — The left pane of DOM Inspector shows you the DOM tree. If you press the '+' button next to a node, it shows you all of the children of that node.

You don't, I believe, need the url() bit for background image. so:

[code=html]

if(document.getElementsByName(c)[0].style.backgroundImage.indexOf('../bin/sort.jpg')!=-1)
{document.getElementsByName(c)[0].style.backgroundImage='../bin/down.jpg'}
[/code]
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