在 js 中将“X-Frame-Options”设置为“sameorigin 错误”

Question

I load some page in iframe. I get the error

Refused to display 'url' in a frame because it set 'X-Frame-Options' to 'sameorigin'.

How can I handle this type of error in javascript, and show my message for this case? window.onerror doesn't catch this error. Is there any possible way to do this?

Answer 1

DOMException comes to help here.

I got a trick working as follows: [have not tested cross-browser!]

Define iframe's onload event handler defined as

 $('#myIframe').on('load', function() { setTimeout(function() { try { console.log($('#myIframe')[0].contentWindow.document); } catch (e) { console.log(e); if (e.message.indexOf('Blocked a frame with origin') > -1 || e.message.indexOf('from accessing a cross-origin frame.') > -1) { alert('Same origin Iframe error found!!!'); //Do fallback handling if you want here } } }, 1000); });