Created
November 8, 2017 04:08
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isPlainObject iframe test case
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| <!DOCTYPE html> | |
| <html> | |
| <body> | |
| <script> | |
| function isPlainObject(obj) { | |
| if (typeof obj !== 'object' || obj === null) return false | |
| let proto = obj | |
| while (Object.getPrototypeOf(proto) !== null) { | |
| proto = Object.getPrototypeOf(proto) | |
| } | |
| return Object.getPrototypeOf(obj) === proto | |
| } | |
| const iframe = document.createElement("iframe") | |
| document.body.appendChild(iframe) | |
| var doc = iframe.contentDocument | |
| doc.open() | |
| // doc.write("<body onload='class Action {}; window.top.callback(new Action)'>") | |
| doc.write("<body onload='window.top.callback({})'>") | |
| doc.close() | |
| function callback(obj) { | |
| console.log(isPlainObject(obj)) | |
| } | |
| </script> | |
| </body> | |
| </html> |
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