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tudsy
post Aug 15 2016, 07:41 PM
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)Hi

I am still having problems in trying to come up with a drop down menu. I have attached the full code and the resulting output (screenshot).

The main problem is that I am not generating the options in the drop down menu. Can anyone help?


Thanks.


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CharlesEF
post Aug 21 2016, 05:20 AM
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Maybe, since you are not uploading an image to the server, you don't need to use PHP or AJAX at all. You might be able to use Javascript to set the 'src' attribute of the <img> tag.

It's been awhile since I had to do this so I don't remember for sure, but this is another option to try.
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Christian J
post Aug 21 2016, 04:17 PM
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QUOTE(CharlesEF @ Aug 21 2016, 12:20 PM) *

Maybe, since you are not uploading an image to the server, you don't need to use PHP or AJAX at all.

Note that using an onchange event to reload the page might annoy users, especially if the SELECT menu is located a bit down on the page --suddenly the whole page reloads, and the user has lost focus of the SELECT menu and finds himself at the top of the new page.

QUOTE
You might be able to use Javascript to set the 'src' attribute of the <img> tag.

Yes, and it may also be a good idea to preload the images with javascript to avoid any delays. Also, BMP images may not be ideal due to their large file sizes (older browser don't support them either).
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Posts in this topic
tudsy   drop down menu   Aug 15 2016, 07:41 PM
CharlesEF   I have no idea what are valid values for $pna...   Aug 17 2016, 12:05 AM
tudsy   Hi Thanks for that. Graphicw has permissions se...   Aug 17 2016, 12:52 AM
CharlesEF   So, does that mean the problem was permissions? O...   Aug 17 2016, 02:43 PM
tudsy   Hi I am having the same problem but I put the url...   Aug 18 2016, 05:56 AM
CharlesEF   Sorry to hear that. I looked over your code but I...   Aug 18 2016, 08:54 AM
tudsy   Hi I used glob() and it works!. It creates th...   Aug 20 2016, 11:51 AM
CharlesEF   I think what you need to do is this. The <sele...   Aug 20 2016, 09:37 PM
CharlesEF   Maybe, since you are not uploading an image to the...   Aug 21 2016, 05:20 AM
Christian J   Maybe, since you are not uploading an image to th...   Aug 21 2016, 04:17 PM
tudsy   Hi My problem is now using JS to update the image...   Aug 30 2016, 10:43 PM
CharlesEF   This is just an outline of what needs to be done. ...   Sep 1 2016, 01:24 AM
tudsy   Hi again I have adopted the changes from the l...   Sep 5 2016, 12:01 AM
Christian J   I have adopted the changes from the last post ...   Sep 5 2016, 06:52 AM
CharlesEF   Christian J has already pointed out some problems....   Sep 5 2016, 09:09 AM
CharlesEF   I forgot to say that the code I posted is not test...   Sep 5 2016, 12:13 PM
tudsy   Hi I got it to work by putting the absolute path...   Sep 6 2016, 07:29 AM
CharlesEF   Hi I got it to work by putting the absolute pat...   Sep 6 2016, 01:16 PM
tudsy   Hi The path was the only problem.   Sep 9 2016, 02:52 AM
tudsy   Hi I was wondering. Can I use the same type of co...   Sep 9 2016, 02:58 AM
CharlesEF   When using the audio tag, there was a time when IE...   Sep 9 2016, 10:18 AM
CharlesEF   BTW, you never answered my question. Why do you i...   Sep 9 2016, 01:46 PM
tudsy   BTW, you never answered my question. Why do you ...   Sep 10 2016, 11:46 PM
CharlesEF   [quote name='CharlesEF' post='130221' date='Sep 1...   Sep 11 2016, 06:52 AM
tudsy   [quote name='CharlesEF' post='130221' date='Sep ...   Sep 13 2016, 11:13 AM
CharlesEF   Does the page have a .php extension? Have you loo...   Sep 13 2016, 11:57 AM
tudsy   Hi Thanks for that. I m trying to let the user ...   Sep 16 2016, 12:03 AM
CharlesEF   I'm not sure where you came up with 'click...   Sep 16 2016, 08:50 AM
tudsy   Hi I am still having problems with the 'sound...   Sep 19 2016, 12:33 PM
CharlesEF   I've never used javascript's Audio command...   Sep 19 2016, 04:56 PM
tudsy   Hi Thanks for that. After some manipulation, I a...   Sep 19 2016, 09:40 PM
CharlesEF   This line of code is wrong: document.getElementByI...   Sep 20 2016, 09:25 AM
tudsy   Hi again Thanks for that. I have got the image w...   Sep 21 2016, 04:14 AM
CharlesEF   This line of code is still wrong: <img src= pe...   Sep 21 2016, 05:53 AM
tudsy   Hi Thanks for that. I got the sound working with...   Sep 21 2016, 06:19 AM
CharlesEF   Great news, glad you got it working.   Sep 21 2016, 06:42 AM
tudsy   Hi I was wondering how do I pass JavaScript varia...   Sep 21 2016, 07:21 AM
CharlesEF   Hi I was wondering how do I pass JavaScript varia...   Sep 21 2016, 01:07 PM
Christian J   New post moved to its own thread: Drop down menu...   Jun 14 2022, 04:38 AM


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