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Thread: Formating incremented file names

  1. #1
    Join Date
    Dec 2017
    Posts
    2

    Formating incremented file names

    This should be pretty simple, but I haven't found a simple answer...

    I have a directory of images in the format 001.png-999.png.

    If I wish to click on a button to load the next file, how do I get the 0's padding into the name?

    For example:

    iCurrent++;
    var locationString = "../Images/" + iCurrent + ".png";

    Gives a file named - "1.png" where I need it to be "001.png"

    (Basically the equivalent of Format(iCurrent, "000") in VB Script)

    Thanks

  2. #2
    Join Date
    Dec 2012
    Posts
    1,611
    One simple solution is this:
    Code:
    var locationString = "../Images/" + ("000" + iCurrent).substr(-3) + ".png";

  3. #3
    Join Date
    Dec 2017
    Posts
    2
    Worked great!

    Thanks for the quick response!

  4. #4
    Join Date
    Mar 2007
    Location
    localhost
    Posts
    5,769
    .. also, JavaScript is not JQuery So when selecting a tag prefix, unless it is JQuery then you will need to not bother with the prefix unless needed and if it is JQuery then not that your question belongs in the JavaScript Frameworks forum.
    --> JavaScript Frameworks like JQuery, Angular, Node <--
    ... and please remember to wrap code with forum BBCode tags:-

    [CODE]...[/CODE] [HTML]...[/HTML] [PHP]...[/PHP]

    If you can't think outside the box, you will be trapped forever with no escape...

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