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Thread: Constantly rolling over button

  1. #1

    Post Constantly rolling over button

    Hi All,

    I need to javascript a button so that when moused over and the mouse button is held down, the action constantly repeats until the mouse button is released.

    I need this to keep incrementing a value until the customers chosen value is reached when the mouse button is released. Also a decrementing button in case they go too far.


  2. #2
    Join Date
    Mar 2009
    You might try something like this:

    /given persistent outside variables which are in the same scope
    //as this function, and a function where xtimer is just a holder, and
    // val is the value to be incremented
    myButtonRef.onmousedown = function(){
    	var z =function(){
                              val = val + 1;
    			  xtimer = setTimeout(z,200);
     myButtonRef.onmouseup = function(){clearTimeout(xtimer);};
    Change the time interval to suit yourself.
    Last edited by Tcobb; 05-02-2013 at 12:21 AM. Reason: typo in code

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