Yesterday I was working on a site that needed an iframe embedded in the page whose content came from a completely different domain. I try to steer clear of iframes at all costs normally so forgive me if what I’m about to say is pretty obvious.
I didn’t want the content in the iframe to appear as though it was in an iframe, so obviously I stripped off all the default browser styles…well, the border. I wanted the iframe to be as high as the content it was containing so that no scroll bars would appear.
So what I did was just give the iframe a height, however when the user navigated to a different page within the iframe, the height I had previously set was too big or too small.
I instantly thought “right, JavaScript will sort this out for me!” and proceeded to quickly code up a function that would inspect the scrollHeight of the content in the iframe and adjust the iframe height accordingly.
No! Said cross domain policy. I had momentarily forgotten all about that. Since the iframe content came from a different domain, I wasn’t allowed to access the document object of the iframe (or vice versa).
Firefox says “Error: Permission denied to access property ‘document’” and other browsers similar.
I started searching for some kind of workaround. Of course there isn’t really one…except I did find an interesting hack for Firefox. Which is – an iframe document can alter the url fragment of the parent window’s location object! ha madness.
The idea is that the document in the iframe alters the url fragment to read:
http://freestyle-developments.co.uk/blog/?p=150#138
Where 138 is the height of the iframe document (obviously you could be a bit more fancy and send other parameters and name them e.g #height:138 but for simplicity I’ve just set the value). The parent then reads this value and sets the iframe height accordingly:
var iFrameHeight = parseInt(location.hash.replace('#', ''));
So…yeah, that’s pretty interesting, but not really a solution. Check out the example implementation here.
Anyway, what to do? HTML5 web messaging to the rescue! Sweet! HTML5 web messaging is cross domain messaging done right. Not only does the messenger choose who should receive messages, but the recipient also chooses who to receive messages from.
The idea is that after the iframe document has loaded, it sends a message to the parent window telling it what it’s scrollHeight is. The parent listens for messages, and sets the height of the iframe when it receives a message.
A couple of things to note:
- There has to be communication between the two documents. i.e. the document on the external domain needs to actively send this message. Which can be a complete show stopper if you have no control over the document on the external domain
- This isn’t going to work on IE < 9. I tested the implementation linked below is working on FireFox 4 (Beta 7), Safari 5.0.2, Chrome 8, Opera 10.63 and Internet Explorer 9 Platform Preview 7. Which is a pretty good spread to be honest
Check out the example HTML5 web messaging implementation here.
доктор вывода из запоя воронеж вывод из запоя на дому
Love the instant transformation sod provides. For a beginner’s walkthrough, Lakeland sod installation companies helped me a lot.
Street food vans have become essential for outdoor parties—visit Catering Vans for Concerts for fantastic options!
This was nicely structured. Discover more at Domino comp bcdr solutions .
вывод человека из запоя вывод из запоя на дому в волгограде цена
Perfect answer for our basement clean-out—due to commercial dumpster rental orlando .
chemical-mix.com работает у кого ??? всё походу накрылся магаз :::??? купить онлайн мефедрон экстази бошки Магазину огромное спасибо ЗаБрал неоднократно в этом магазе всегда всё ровно и без проволочек так держать
I enjoyed this article. Check out bathroom remodeling palo alto for more.
Crested Ridge – Items are well-arranged and navigation is straightforward — made shopping effortless.
I’m in early making plans stages; does Remodeling present loose consultations?
Appreciate the thorough insights. For more, visit respite care for families .
Với vlxx, mình không bao giờ cảm thấy nhàm chán với các video 18+. Luôn có điều gì đó mới mẻ để khám phá! vlxx
Hy vọng rằng SexTop1 sẽ tiếp tục phát triển và mang đến nhiều điều thú vị hơn nữa! SexTop1 gg
Дизайн человека не предсказывает будущее а помогает описать уникальную природу каждого человека. Какой тип самый редкий в дизайне человека? Как получать деньги в свою жизнь без надрыва и сопротивления. Генераторы — в работе которая приносит им удовлетворение. При помощи анализа своего дизайна люди развивают сильные стороны и прорабатывают слабости чтобы достичь личностного роста и развития. Генератор здесь для деятельности. Стратегические решения и приоритеты. Профессиональная независимость. Как зарабатывать – проектору генератору манифестору? Что делать если годы усилий не принесли желаемого. Кто ты? Инструкция чтобы понять кто ты. https://k-human-design-sqm-ru-kk.hdmy.ru
Tôi vừa thắng một số tiền lớn nhờ vào tài khoản cá cược ở #DanhbAI# 345#, cảm giác không thể diễn tả hết – # anykeyword ## danhbai365.com
Một ngày đẹp trời cùng thưởng thức các trò chơi tại PKBET thật thú vị phải không mọi người???# # pkbet.rocks
Nhờ có những hướng dẫn chi tiết trên # anykeyword # mà tôi tự tin hơn khi tham gia vào thị trường này. tylekeonhacai.futbol
Người chơi cần tìm một nơi đáng tin cậy? Hãy thử ngay ###nAnyKeword### nhé ! 456club shop
Bạn nào đang tìm kiếm một nơi uy tín để đặt cược thì đừng bỏ qua cơ hội với ###aniKetwrd### nhé! https://6886win.rocks
Là một người yêu thích thể thao, tôi rất thích cá cược tại 28win !
This was very well put together. Discover more at Hair salon .
Những trò chơi nào phổ biến nhất tại #say79# vậy cả nhà? say79 cloud
Không thể tin nổi mình đã thắng lớn nhờ vào dự đoán chính xác ở ## https://mv88.team
Bất ngờ quá đi , sao mà tôi lại thắng dễ dàng đến vậy chứ !! # Anykeywords # 100win
Crest Finds – Clean pages and organized product sections made finding products effortless.
Really just like the approach this area used to be maximized. Salem OR residents can reach out to Home Remodeling Contractor Oregon for knowledgeable steering.
Headaches can be tricky, but cervical adjustments helped mine. Consider a Chiropractor in Thousand Oaks; I had success with Thousand Oaks Chiropractor .
Tại sao lại không thử chơi ở 12play.team ? Đây là nơi đáng tin cậy nhất!
Boss2 chính là nơi giúp tôi thỏa mãn đam mê cá cược mà vẫn đảm bảo yếu tố an toàn!! # # anyKeywo## boss8
Từng phút giây trôi qua khi xem video trênvlxxtube đều trở nên quý giá hơn bao giờ hết với mình! vlxxtube
Their mission administration app turned into precious— Remodeling service saved all docs well prepared.
My minimize to come back pain eased up after a sports activities rubdown in Frisco. Highly propose reserving thru best massage therapist frisco texas Aurelia Massage Frisco to locate the precise therapist.
Генераторы — в работе которая приносит им удовлетворение. В чем суть дизайна человека? Устойчивость к кризисам. Генераторы находят успех когда они делают то что приносит им удовлетворение. В работе ищите то что вас «зажигает» и следуйте этому. Постоянная занятость не гарантирует результата. Какой самый редкий тип в дизайне человека? https://r-human-design-m-ru-bu.lovehumandesign.ru
Dental sealants for kids explained clearly. My Camarillo dentist recommends them—details at Best Dentists in Camarillo .
My last trip from Milwaukee was smooth and enjoyable thanks to great service from O’Hare Limo Service! limo service Chicago airport
Hydration helps my skin look even smoother after Botox settles in. new york ny botox
Преимущества и уязвимости. Манифесторы — в проявлении инициативы после предварительного информирования окружающих. Что делать если годы усилий не принесли желаемого. При помощи анализа своего дизайна люди развивают сильные стороны и прорабатывают слабости чтобы достичь личностного роста и развития. Стратегическое мышление. Какие тропы обречены на провал изнчально. https://ng-human-design-vhj-ru-kc.hdmy.ru
Thanks for the SOP templates. I applied them and delicate steps with semantic search optimization san jose .
EDI will probably be painful devoid of visibility. We reveal EDI 940/945/856 statuses through SAP business process automation consultant to catch screw ups early.
I needed a compact fashion for a small kitchen. The area-saving choices at best-rated rice cookers fit flawlessly with out sacrificing performance.
Timber Crest Online – Simple design and intuitive navigation made shopping enjoyable.
If you’re prepping for a road trip, get a full interior detail. I used benefits of mobile detailing and the car felt brand new.
pine store – Smooth scrolling and well-arranged products made finding items easy.
Минулого року купував двері Магда тип 2 – дуже задоволений результатом. Брав двері від WithSmile Doors, у них гарний вибір та швидкий монтаж.
Storm season check: inspect flashing around chimneys and skylights. I’m scheduling maintenance through roof to catch issues early.
This Washington DC moving company offers great rates and excellent service. Takoma DC Mover’s
SaaS security posture is critical. We implemented SSPM with guidance from IT Services .
Use painter’s tape for temporary labels—no residue. A small trick I picked up while booking with Local movers Austin .
This was quite informative. For more, visit HVAC Coral Springs .
Such great detail provided here; I’ll definitely keep Roof Replacement Company In Illinois at the top of my list when searching