Setting focus to iframe contents

Question

I have a page with a document onkeydown event handler  and I m loading it inside an iframe in another page  I have to click inside the iframe to get the content page to start  listening     Is there some way I can use JavaScript in the outer page to set the focus to the inner page so I don t have to click inside the iframe   EDIT  response to comment    The context is the main window is a light-box-like system  except instead of pictures  it shows iframes  and each iframe is an interactive page with keydown mousemove handlers  these handlers don t fire until I click in the iframe after showing the light-box-thing   I m not actually looking to  setFocus  in the traditional sense as much as  enable event handlers on the iframe contentDocument

User · Answer

i had a similar problem where i was trying to focus on a txt area in an iframe loaded from another page. in most cases it work. There was an issue where it would fire in FF when the iFrame was loaded but before it was visible. so the focus never seemed to be set correctly.

i worked around this with a simular solution to cheeming's answer above

    var iframeID = document.getElementById("modalIFrame"); 
//focus the IFRAME element 
$(iframeID).focus(); 
//use JQuery to find the control in the IFRAME and set focus 
$(iframeID).contents().find("#emailTxt").focus();

User · Answer

This is something that worked for me  although it smells a bit wrong   var iframe       var doc   iframe contentDocument   var i   doc createElement  input    i style display    none    doc body appendChild i   i focus    doc body removeChild i     hmmm  it also scrolls to the bottom of the content  Guess I should be inserting the dummy textbox at the top

User · Answer

Using the contentWindow focus   method  the timeout is probably necessary to wait for the iframe to be completely loaded   For me  also using attribute onload  this contentWindow focus    works  with firefox  into the iframe tag

User · Answer

document getElementsByName  iframe name   0  contentWindow document body focus

User · Answer

Using the contentWindow focus   method  the timeout is probably necessary to wait for the iframe to be completely loaded   For me  also using attribute onload  this contentWindow focus    works  with firefox  into the iframe tag

User · Answer

document getElementsByName  iframe name   0  contentWindow document body focus

User · Answer

document getElementsByName  iframe name   0  contentWindow document body focus

User · Answer

I discovered that FF triggers the focus event for iframe contentWindow but not for iframe contentWindow document  Chrome for example can handle both cases  so  I just needed to bind my event handlers to iframe contentWindow in order to get things working  Maybe this helps somebody

User · Answer

Try listening for events in the parent document and passing the event to a handler in the iframe document

User · Answer

Try listening for events in the parent document and passing the event to a handler in the iframe document

User · Answer

Try listening for events in the parent document and passing the event to a handler in the iframe document

User · Answer

This is something that worked for me  although it smells a bit wrong   var iframe       var doc   iframe contentDocument   var i   doc createElement  input    i style display    none    doc body appendChild i   i focus    doc body removeChild i     hmmm  it also scrolls to the bottom of the content  Guess I should be inserting the dummy textbox at the top

User · Answer

I had a similar problem with the jQuery Thickbox  a lightbox-style dialog widget   The way I fixed my problem is as follows   function setFocusThickboxIframe         var iframe       TB iframeContent   0       iframe contentWindow focus         document  ready function           id cmd open   click function                      run thickbox code here to open lightbox           like tb show  google this     http   www google com                    setTimeout setFocusThickboxIframe  100         return false               The code doesn t seem to work without the setTimeout    Based on my testing  it works in Firefox3 5  Safari4  Chrome4  IE7 and IE6

User · Answer

I discovered that FF triggers the focus event for iframe contentWindow but not for iframe contentWindow document  Chrome for example can handle both cases  so  I just needed to bind my event handlers to iframe contentWindow in order to get things working  Maybe this helps somebody

User · Answer

This is something that worked for me  although it smells a bit wrong   var iframe       var doc   iframe contentDocument   var i   doc createElement  input    i style display    none    doc body appendChild i   i focus    doc body removeChild i     hmmm  it also scrolls to the bottom of the content  Guess I should be inserting the dummy textbox at the top

User · Answer

Here is code to create an iframe using jQuery  append it to the document  poll it until it is loaded  then focus it    This is better than setting an arbitrary timeout which may or may not work depending on how long the iframe takes to load   var jqueryIframe       lt iframe gt          src   http   example com      focusWhenReady   function        var iframe   jqueryIframe 0       doc   iframe contentDocument    iframe contentWindow document      if  doc readyState     complete             iframe contentWindow focus          else           setTimeout focusWhenReady  100            document  append jqueryIframe   setTimeout focusWhenReady  10     The code for detecting when the iframe is loaded was adapted from Biranchi s answer to How to check if iframe is loaded or it has a content

User · Answer

Try listening for events in the parent document and passing the event to a handler in the iframe document

User · Answer

document getElementsByName  iframe name   0  contentWindow document body focus

User · Answer

I had a similar problem with the jQuery Thickbox  a lightbox-style dialog widget   The way I fixed my problem is as follows   function setFocusThickboxIframe         var iframe       TB iframeContent   0       iframe contentWindow focus         document  ready function           id cmd open   click function                      run thickbox code here to open lightbox           like tb show  google this     http   www google com                    setTimeout setFocusThickboxIframe  100         return false               The code doesn t seem to work without the setTimeout    Based on my testing  it works in Firefox3 5  Safari4  Chrome4  IE7 and IE6

User · Answer

Here is code to create an iframe using jQuery  append it to the document  poll it until it is loaded  then focus it    This is better than setting an arbitrary timeout which may or may not work depending on how long the iframe takes to load   var jqueryIframe       lt iframe gt          src   http   example com      focusWhenReady   function        var iframe   jqueryIframe 0       doc   iframe contentDocument    iframe contentWindow document      if  doc readyState     complete             iframe contentWindow focus          else           setTimeout focusWhenReady  100            document  append jqueryIframe   setTimeout focusWhenReady  10     The code for detecting when the iframe is loaded was adapted from Biranchi s answer to How to check if iframe is loaded or it has a content

User · Answer

This is something that worked for me  although it smells a bit wrong   var iframe       var doc   iframe contentDocument   var i   doc createElement  input    i style display    none    doc body appendChild i   i focus    doc body removeChild i     hmmm  it also scrolls to the bottom of the content  Guess I should be inserting the dummy textbox at the top

User · Answer

i had a similar problem where i was trying to focus on a txt area in an iframe loaded from another page. in most cases it work. There was an issue where it would fire in FF when the iFrame was loaded but before it was visible. so the focus never seemed to be set correctly.

i worked around this with a simular solution to cheeming's answer above

    var iframeID = document.getElementById("modalIFrame"); 
//focus the IFRAME element 
$(iframeID).focus(); 
//use JQuery to find the control in the IFRAME and set focus 
$(iframeID).contents().find("#emailTxt").focus();

[javascript] Setting focus to iframe contents

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