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Calling an external javascript from within a script

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Nov 02.2011

I know that you can call a php script using javascript. For example:

[code=html]
<script type=”text/javascript” src=”myscript.php”></script>
[/code]

I need to call an external script from within a javascript function.

[code=html]
<script type=”text/javascript”>
function rotateimages(){
document.getElementById(“slideshow”).setAttribute(“src”, <!– call script –>)
}

window.onload=function(){
setInterval(“rotateimages()”, 5000)
}
</script>

So how do I call the external script there?
[/code]

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JavaScript

2 Comments(s) ↴

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@DeveloperBillNov 02.2011 — Unless I am really missing something, I don't see why you would refer to a php script with type="text/javascript".

But for your answer, you would want your external script to contain another function that returns a string that you want to set the "src" to. So in your code:
[CODE]document.getElementById("slideshow").setAttribute("src", setSrc(arguments,...));
[/CODE]
Arguments of course depend on your needs. If none, just write setSrc() with no arguments.

Then just code your setSrc function, ending with a "return" statement with the src attribute to be set.

The final step is to save your function as a text file with type "js" for example setsrc.js. Then in the <head> section of your code, just include this line:
[CODE]<script type="text/javascript" src="setsrc.js"> [/CODE]

Hope that's what you are looking for!
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@007JulienNov 03.2011 — A javascript file can always be built with PHP (*), like here. See, for example, this page

(*) Like this very simple script :
[code=php]<?php
header("Cache-Control: no-cache, must-revalidate");
header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
header("Content-Type:text/javascript;charset=utf-8");

if (!empty($_GET)) {
// lecture du GET et execution des t&#226;ches
}
exit("alert('Votre adresseIP est : ".$_SERVER['REMOTE_ADDR']."');");
?>[/code]
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