button.onclick = new Function("func2()") + button.onclick

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  • foldface@yahoo.co.uk

    button.onclick = new Function("func2()") + button.onclick

    Hi
    Subject says it all, how can I do this?

    Also, do things like string functions belong to any object?
    i.e. are they perhaps part of the window object but are a special
    case? I wondering whether its possible to display all of their
    names by iterating around something in the browser (suspect
    their not and you can't but its worth asking)

    Ta
    F

  • dylan.moreland@gmail.com

    #2
    Re: button.onclick = new Function(" func2()") + button.onclick

    Are you trying to call your new function and also the old one? You
    can't add functions together. Something like this would work:

    window._oldonlo ad = window.onload;
    window.onload = function(e) { func2(); window._oldonlo ad(); };

    Really, you should be registering these event listeners with the
    appropriate DOM functions.

    Comment

    • foldface@yahoo.co.uk

      #3
      Re: button.onclick = new Function(" func2()") + button.onclick


      dylan.moreland@ gmail.com wrote:[color=blue]
      > Are you trying to call your new function and also the old one? You
      > can't add functions together. Something like this would work:
      >
      > window._oldonlo ad = window.onload;
      > window.onload = function(e) { func2(); window._oldonlo ad(); };
      >
      > Really, you should be registering these event listeners with the
      > appropriate DOM functions.[/color]

      That works fine thanks

      I'm trying to make development a little easier by finding ways around
      some annoying javascript/visual studio problems.

      (1) .js files are locked by VS while your working on them and
      sometimes the breakpoints won't work, even if you set them in the
      running documents. I thought a way around this is would be
      to add 'debugger' on the start of the appropriate event method via
      some other javascript, hacky but it works.
      Also I've written a DOM parser (yes, another one), so I can do this
      (nearly) relatively easily, except I fell down on the syntax.

      Other things include writing functions and then missing out brackets
      and having to find them manually, jslint seems to help with this,
      I'm not aware of any better ways

      Thanks for the reply

      F

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