Accessing a text Input inside iFrame (Google Forms) - Javascript -

-

cutting chase:

i have google forms survey, , need dynamically edit 1 of text-inputs.

the forms survey 1 out of 6 possible surveys, javascript adds it: '<iframe name="survey" id="ifrm" src="https://spreadsheets.google.com/spreadsheet/embeddedform?formkey=dhpym1nvtfn4oelnwnbjwutjdhhld2c6mq" width="760" height="623" frameborder="0" marginheight="0" marginwidth="0">loading...</iframe>'

the trouble accessing textbox - used settimeout() wait until iframe loaded properly. , want this:

function writeencoded() {         alert("now attempting inject");           var if = document.getelementbyid('ifrm');         alert( if);           //works here         var form = if.contentwindow.document; //does not run.         alert (form);         form.getelementbyid('entry_3').value = "hi";      }

any ideas what's going wrong? guys.

you’re seeing same origin policy in action.

on web, content on 1 website mostly not allowed interact content on another.

since iframe loaded https://spreadsheets.google.com , (i’m guessing) webpage on website (like http://example.com/), javascript can’t see inside iframe (and google’s javascript can’t see on webpage).

why? same origin policy meant protect you. without it, load google.com iframe on website and, javascript, read email address (if you’re logged in). or, load facebook.com , read name , quite bit of other personal information out of page.


Comments

Post a Comment

Popular posts from this blog

linux - Using a Cron Job to check if my mod_wsgi / apache server is running and restart -

-
my group , running server based upon django , uses mod_wsgi run apache server. not working on project after over, attempting set cronjob similar functionality check if apache server has shut down(system restart or power failure), , if has, restart server me. i've found documentation on how check if apache server down , restart server if is, our server uses https , our start command pretty verbose. can use functionality provided in these examples: https://askubuntu.com/questions/277389/cron-job-to-restart-apache https://www.digitalocean.com/community/tutorials/how-to-use-a-simple-bash-script-to-restart-server-programs or need more complicated process make happen? the command use start server is python manage.py runmodwsgi --host 0.0.0.0 --port 8001 --https-port 8000 --ssl-certificate (certificate location) --server-name (domain name) i'm pretty new linux , using both mod-wsgi apache appreciated. you better off using --setup-only option mod_wsgi-expres...
Read more

actionscript 3 - TweenLite does not work with object -

-
i got following problem: i have object called tempscore game. this object blitted canvas renderer via copypixels method. object not display object. it's score-object (self made). score-object extends object called basicblitarrayobject. basicblitarrayobject extends eventdispatcher (therefore no display object). i tried apply several different tweenlite-plugins tempscore-object (i.e. transformaroundcenter, colormatrixfilter, etc.). nothing happens. absolutely nothing. sometimes error messages (when plugin requires display object , object not display object). far good. according greensock (maker of tweenlite) engine can tween numeric property of object. when plugin transformaroundcenter requires display object tweening have modify plugin working non-display object (tempscore). can't because it's way hard me. my game rests upon code: http://www.8bitrocket.com/book/ch11_blastermines.zip try apply tweenlite object called tempmine inside game class blastermines. ...
Read more

jQuery Ajax Render Fragments OR Whole Page -

-
i'm in throes of building application wraps mess of legacy code. page working on, need substitute fragment divs constructed on back-end -- or else need replace entire page altogether. idea there dynamically controlled flow needs satisfied before can forward legacy product. substituting fragments works fine, seen in below my_body_content swap. trouble comes when i'm trying render not fragment, whole page, in "body" swap. @ point page goes blank. i want similar errors returned server. want nice rest 404 error messages displayed on screen, legacy-product 404s show in legacy-product 404 page. yes, requirements project weird. that's not problem can fix. here's jquery invocation, names changed protect guilty: $.ajax({ url: "places/things", type: "post", data: json.stringify(somebadassobject), datatype: "text", accepts: "text/html", contenttype: "application/json; charset=...
Read more