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How do I get the absolute or site-relative path for an included javascript file.
I know this can be done in PHP, (__file__, I think). Even for an included page, one can check the path (to the included file). Is there any way to have this self awareness in Javascript?
I know I can can get the page URL, but need to get the JS URL.
Eg. Javascript needs to modify the src of an image on the page. I know where the image is relative to the JavaScript file. I don't know where the Javascript is relative to the page.
<body>
<img id="img0" src="">
<script src="js/imgMaker/myscript.js"></script>
</body>
function fixPath(){
$$("#img0")[0].set('src','js/imgMaker/images/main.jpg');
}
Please do not tell me to restructure my function - the example is simplified to explain the need. In the actual case, a Mootools class is being distributed and people can put it into whatever folder they want.
I would just read the src of the script element, but the class can be part of any number of javascript files, so I can't know what the element looks like.
Found another approach, perhaps someone with more JS ninja can flush this out.
CSS stylesheet are able to find the node that called them using document.stylesheets.ownernode.
I could not find a similar call for javascript files.
But, in some cases, if one can include a CSS file together with the javascript, and give the first rule some unique identifier. One can loop through all stylesheets till they find the one with the identifier [if(document.stylsheets[i].cssRules[0] == thisIs:myCSS)], than use ownerNode to get the path of that file, and assume the same for the JS.
Convoluted and not very useful, but its another approach - might trigger a better idea by someone.