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<!DOCTYPE html> <html> <head> <title>Let's Coding Example</title> </head> <body> <div id="html-div"> </div> <script> async function upload(formData) { try { const response = await fetch("https://example.com/profile/avatar", { method: "PUT", body: formData, }); const result = await response.json(); console.log("Success:", result); } catch (error) { console.error("Error:", error); } } const formData = new FormData(); const fileField = document.querySelector('input[type="file"]'); formData.append("username", "abc123"); formData.append("avatar", fileField.files[0]); upload(formData); </script> </body> </html>
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