| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <title>iframe for xhr tests</title> | |
| <script> | |
| async function xhr(url, options) { | |
| return new Promise((resolve, reject) => { | |
| const xhr = new XMLHttpRequest(); | |
| const opts = options ? options : {}; | |
| xhr.onload = () => { | |
| resolve(xhr); | |
| }; | |
| xhr.onerror = () => { | |
| reject('xhr failed'); | |
| }; | |
| xhr.open('GET', url); | |
| if (opts.responseType) { | |
| xhr.responseType = opts.responseType; | |
| } | |
| xhr.send(); | |
| }); | |
| } | |
| </script> |