Acess iframe content (in firefox plugin javascript) -


i'm writing firefox plugin open iframe in webpages. want select object in iframe, can't access content:

var iframe = content.document.getelementbyid("mybeautifuliframe"); if (iframe) {   var mydiv = iframe.contentdocument.getelementbyid("mydiv"); }

erreur : typeerror: iframe.contentdocument undefined

i tryed iframe.content.document.getelemen... , iframe.document.getelemen... same result.

how access iframe dom ? if iframe var type, it's [object xraywrapper [object xulelement]], how access dom objects of xulelement object ?

updated answer:

took @ code , think may have found problem.

you doing:

var iframe = content.document.getelementbyid("muzich_iframe_addcontainer"); if (iframe) {   if (iframe.contentdocument.getelementbyid("div"))   {     this.close_all();   } }

muzich_iframe_addcontainer div, not iframe, never has contentdocument. additionally, couldn't make work creating xul elements. had create html div , iframe make work.

here's code:

var htmlns = "http://www.w3.org/1999/xhtml"; var container = document.createelementns(htmlns,'div'); container.setattribute("id", "muzich_iframe_addcontainer"); container.setattribute("style", stylecontainer); //stylecontainer 1 use without background stuff window.content.document.body.appendchild(container);  var iframe = document.createelementns(htmlns,'iframe'); iframe.setattribute("id", "muzich_iframe"); iframe.setattribute("style",     "width: 100%; height: 100%; " );  iframe.setattribute("src", "http://www.lifehacker.com"); // used example url window.content.document.getelementbyid("muzich_iframe_addcontainer").appendchild(iframe);

then, when want check close do:

var iframe = window.content.document.getelementbyid("muzich_iframe"); if (iframe) {   if (iframe.contentdocument.getelementbyid("div"))   {     this.close_all();   } }

hope 1 solves you.


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