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Thread: Javascript onChange event

  1. #1
    Join Date
    Apr 2005

    Javascript onChange event


    I was wondering if anyone could help or point me in the right direction. I have two text boxes which both call the onChange event. In this they call a function which performs some calculations.
    Fixed number 1000
    Textbox one: Enter Price
    Textbox two: Percentage
    If I change textbox one the percentage is updated in textbox two. If I change the percentage in textbox two the price is updated in textbox one.

    Because Iím using the onchange event it gets stuck in a nasty loop because Iím changing the value in a textbox which has the onchange event.
    Does anyone have any ideas on how I could go about doing this?

  2. #2
    Join Date
    Nov 2010
    I'm a little confused by the logic, but my first impression is that you could use a button to call your calculate function, or maybe look at the onblur event.

    if you showed some code maybe it would be clearer what you're trying to do...

  3. #3
    Join Date
    Oct 2011
    Again, without seeing the actual code, its hard to fathom out exactly what you're trying to do, but it looks like some sort of caculator..

    adding a button to calculate is an option, or even adding a third box, which would display the output of the calculation, but would not need to call a function onchange?

  4. #4
    Join Date
    Jan 2009

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