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jquery select iframe children


I am using the editArea library and jquery to do what i need...



http://www.cdolivet.com/index.php?page=editArea&sess=2b8243f679e0d472397bfa959e1d3841



so in my html there is an iframe tag that editArea uses what i need is to access something like so with jquery




$('iframe textarea').keydown(function (e){
number = 17; //any number really :)
if(e.which == number){
//do something...
alert('Done...');
}
});



I tried the above but it looks like it is not detecting that key. but it works if selector was $(document) therefore the rest of the function works it's just it's not picking up the iframes textarea keydown



any ideas? Thanks


Source: Tips4allCCNA FINAL EXAM

Comments

  1. $("iframe").contents().find("textarea").keydown(...)

    ReplyDelete
  2. You need search within the inner document of the iframe, in order to get the textarea element:

    var textarea = $('textarea', $('iframe').get(0).contentWindow.document);
    textarea.keydown(function (e){
    var number = 17;
    var code = (e.keyCode ? e.keyCode : e.which);

    if(code == number){
    //do something...
    alert('Done...');
    }
    });

    ReplyDelete
  3. You need to access the iframes contentWindow.document, not the iframe itself.

    ReplyDelete
  4. Well, is this what you want:

    Link to Simple Tutorial

    ReplyDelete
  5. You should be doing



    iframeDoc = document.getElementById('resultsFrame').contentWindow;
    // result frame is id of iframe
    $(iframeDoc).keydown(function(e))
    {
    // your functionality here
    }

    ReplyDelete
  6. You can travel any level, The above answers are correct. I did as below

    var iframeMain = $("#iframe0").contents().find('#iframeMain');
    var detailsForm = $(iframeMain).contents().find('#detailsform');


    for accessing parents you can use

    window.parent.parent. // upto any level

    ReplyDelete

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