Browsers can block access to window.top due to same origin policy. IE bugs also take place. Here’s the working code: function inIframe () { try { return window.self !== window.top; } catch (e) { return true; } } top and self are both window objects (along with parent), so you’re seeing if your window is … Read more
Same-origin policy You can’t access an <iframe> with different origin using JavaScript, it would be a huge security flaw if you could do it. For the same-origin policy browsers block scripts trying to access a frame with a different origin. Origin is considered different if at least one of the following parts of the address … Read more
Add the frameBorder attribute (note the capital ‘B’). So it would look like: <iframe src=”https://stackoverflow.com/questions/65034/myURL” width=”300″ height=”300″ frameBorder=”0″>Browser not compatible.</iframe>
If the <iframe> is from the same domain, the elements are easily accessible as $(“#iFrame”).contents().find(“#someDiv”).removeClass(“hidden”); Reference
Edit: This does not work cross domain unless the appropriate CORS header is set. There are two different things here: the style of the iframe block and the style of the page embedded in the iframe. You can set the style of the iframe block the usual way: <iframe name=”iframe1″ id=”iframe1″ src=”https://stackoverflow.com/questions/217776/empty.htm” frameborder=”0″ border=”0″ cellspacing=”0″ … Read more