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  1. #1
    Junior Member
    Join Date
    Mar 2011
    Posts
    4
    Member #
    27257
    Hello

    Im making a mock-up website for a school project and I decided to include an annoying flashing advertisement to humor my teacher (he finds this stuff funny) and to demonstrate my knowledge of "animation" using Javascript.

    Unfortunately, my knowledge is not good enough so I have to ask you.

    This is my Javascript function:

    <script type="text/javascript">

    function flash(){
    f = document.getElementById("adver").style.backgroundI mage;
    while(1==1){
    n = 1;
    f = "images/advertisement" + n + ".jpg";
    setTimeout("flash()",3000);
    n = 2;
    f = "images/advertisement" + n + ".jpg";
    setTimeout("flash()",3000);
    }
    }

    </script>

    I then use: <body onload="flash()"> to make this function work.

    I am not sure if it is simply too much for the browser to handle or what, but the browser always tells me that the script has stopped running or couldnt start running properly. Is this because when the function is called, its stuck in the forever loop and cant load the rest of the page? How would I call this function otherwise?

    Thanks for your time!

  2.  

  3. #2
    Unpaid WDF Intern TheGAME1264's Avatar
    Join Date
    Dec 2002
    Location
    Not from USA
    Posts
    14,483
    Member #
    425
    Liked
    2783 times
    It's your while loop that's causing it. 1 will always equal one. Now, if you're going to try and rotate two ads in and out, you'll want an if condition instead.
    if(n == 1) {
    n = 2;
    } else {
    n = 1;
    }
    Your background code here.

    And instead of using setTimeout, you can use setInterval since it will happen over and over again.
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