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June 7, 2020 11:20
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POC for sending data to parent window when the document is embedded via iframe, it uses the postMessage function
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <title>Title</title> | |
| </head> | |
| <body> | |
| <script> | |
| // Get height of document | |
| function getDocHeight(doc) { | |
| doc = doc || document; | |
| // from http://stackoverflow.com/questions/1145850/get-height-of-entire-document-with-javascript | |
| var body = doc.body, html = doc.documentElement; | |
| var height = Math.max( body.scrollHeight, body.offsetHeight, | |
| html.clientHeight, html.scrollHeight, html.offsetHeight ); | |
| return height; | |
| } | |
| // send docHeight onload | |
| function sendDocHeightMsg(e) { | |
| var ht = getDocHeight(); | |
| parent.postMessage( JSON.stringify( {'docHeight': ht} ), 'https://configurator.plissee.com' ); | |
| } | |
| // assign onload handler | |
| if ( window.addEventListener ) { | |
| window.addEventListener('load', sendDocHeightMsg, false); | |
| } else if ( window.attachEvent ) { // ie8 | |
| window.attachEvent('onload', sendDocHeightMsg); | |
| } | |
| </script> | |
| <button onclick="sendDocHeightMsg()">klick me</button> | |
| </body> | |
| </html> |
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