I am looking to display the pdf of one of two distributions, depending on what the user selected:
Code:
<script type="text/javascript">
function distributionChange() {
var img = document.createElement("img");
var link = 'http://en.wikipedia.org/wiki/xxx#mediaviewer/File:yyy';
switch (document.getElementById("distributions").value) {
case 'normal':
img.src = link.replace("xxx", "Normal_distribution").replace("yyy", "Normal_Distribution_PDF.svg");
break;
case 'lognormal':
img.src = link.replace("xxx", "Log-normal_distribution").replace("yyy", "Some_log-normal_distributions.svg");
break;
default:
img.src = "Distribution not specified.";
}
img.setAttribute("width", "320");
document.getElementById("distribution").appendChild(img);
}
</script>
<select id='distributions' onChange='distributionChange()'>
<option name='option0' value='normal'>normal</option>
<option name='option1' value='lognormal'>lognormal</option>
</select>
<div id="distribution"></div>
Two questions on this:
1- Why are the images appended and not recreated? Rather than overwriting the previous image, the new image is shown next to the old one.
2- Why is the image not actually shown? When doing Ctrl-Shift-J in my browser, the link to the image is correct.
I dont understand this solution. You are declaring an object test that is not actually used for display purposes. This looks very hackish to me:
Code:
img = document.getElementById("test")
I just added attribute id while creating img element for easy access, I have checked for img element with id test, if it doesn't exist already in body, then create img element append to div distribution, else meaning img element with id test, already exists so we don't have to create again, so just access element where id is "test"img = document.getElementById("test"), and change attribute src inside the switch statement. First you try with pictures other than svg ( png, jpeg ), you will be able to view changes, as and when there is a change in dropdown. You will understand better if you could use some debug tool like firebug etc.
Ultimately, I'm looking to create a script that allows me to plug in a usb drive with lots of jpegs on it & copy them over to a folder on my hard drive. So in the process of copying I am looking to hash check them, record dupes to a file, copy only 1 of the identical files (if it doesn't exsist... (1 Reply)
Hello all,
Am trying to include a onChange java script to my perl CGI application which uses POST method to upload files to file_server
This is how I embedded javascript in the perl code that renders CGI application
print qq|
<script type="text/javascript" src="display.js">
</script>... (4 Replies)
I'm just trying to get a personal picture for a backdrop on my AIX user account at work. Where does one acquire the .bm or .pm files. How do I create them as an unpriveledged user? There are quite a few jpeg's that I would like to use. (0 Replies)
