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GeezerVison is showing github.com — HttpRequest/JavaScript/5-fetch.html at master · HowProgrammingWorks/HttpRequest Expand file tree/ Copy path5-fetch.htmlMore file actions 29 lines (24 loc) · 599 Bytes / Copy path5-fetch.htmlFile metadata and controls29 lines (24 loc) · 599 Bytes 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 <!DOCTYPE html> <html> <body> <div id="message"></div> <script> const message = document.getElementById('message'); const fetch = url => new Promise((resolve, reject) => { const xhr = new XMLHttpRequest(); xhr.onreadystatechange = () => { if (xhr.readyState === XMLHttpRequest.DONE) { if (xhr.status === 200) resolve(xhr.responseText); else reject(`Status Code: ${xhr.status}`); } }; xhr.open('GET', url, true); xhr.send(); }); // Usage fetch('/person') .then(body => message.innerHTML = body) .catch(err => message.innerHTML = err); </script> </body> </html> |
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