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Retrieving file name with JavaScript

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Apr 19.2009

Hello,

I have a question. How can I get the name of a file in my website folder using JavaScript in an onClick attribute. Basically, when I click on the button, I need it to get the name of a certain file and copy it to a variable inside another function (I know how to do this, I just need to know how to get the file name).

Thank You

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JavaScript

4 Comments(s) ↴

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@ZeroKilledApr 19.2009 — something like this:
<i>
</i>&lt;img src='/imageDir/subdir/filename.jpg' onclick='var file = this.src.match(/w+.w{3,4}$/); if(file)[b]my_function(file[0]);[/b]' /&gt;
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@jpfaletauthorApr 19.2009 — Thank you so much.
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@jpfaletauthorApr 19.2009 — Could you just explain me what this means (it is a bit beyond my present knowledge of JavaScript:

(/w+.w{3,4}$/)

Thank you
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@ZeroKilledApr 19.2009 — that is a literal [url=http://www.regular-expressions.info/javascript.html]regular expression[/url] which use a complete different syntax than javascript. it mean, to match a composition of one or more alphanumerical characters (w+) followed by a dot (.) and finally three or four alphanumerical chars (w{3,4}) anchored at the end of string ($).

regular expression are powerful for matching, searching or replacing content on a string. read more about it in the link.
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