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navigator.sendBeacon example
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <meta name="viewport" content="width=device-width, initial-scale=1.0"> | |
| <meta http-equiv="X-UA-Compatible" content="ie=edge"> | |
| <title>Send Bacon Example</title> | |
| </head> | |
| <body> | |
| <button type="button" id="button">Send Response</button> | |
| <script> | |
| const url = "/print-ajax.php"; | |
| button.addEventListener("click", () => { | |
| let formData = new FormData(); | |
| formData.append("name", "john does" ); | |
| if (navigator.sendBeacon) { | |
| formData.append("from", "sendBeacon"); | |
| navigator.sendBeacon(url, formData); | |
| } else { | |
| formData.append("from", "fetch"); | |
| fetch(url, { | |
| type: "post", | |
| body: formData | |
| }); | |
| } | |
| }); | |
| </script> | |
| </body> | |
| </html> |
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