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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <title>JSON form</title> | |
| <script> | |
| function jsonForm(form) { | |
| form.addEventListener('submit', function(event) { | |
| event.preventDefault(); | |
| var data = {}; | |
| var inputs = form.querySelectorAll('input'); | |
| for (var i = 0; i < inputs.length; i++) { | |
| var input = inputs[i]; | |
| data[input.name] = input.value; | |
| } | |
| fetch(form.action, { | |
| method: 'POST', | |
| headers: { | |
| 'Content-Type': 'application/json' | |
| }, | |
| body: JSON.stringify(data) | |
| }).then(function(response) { | |
| return response.json(); | |
| }).then(function(json) { | |
| console.log(json); | |
| }).catch(function(err) { | |
| console.error(err); | |
| }); | |
| return false; | |
| }); | |
| } | |
| document.addEventListener('DOMContentLoaded', function() { | |
| var forms = document.querySelectorAll('[data-jsonform]'); | |
| forms.forEach(jsonForm) | |
| }); | |
| </script> | |
| </head> | |
| <body> | |
| <form data-jsonform action="/backend/first" method="post"> | |
| <input type="text" name="name" id="name"> | |
| <input type="text" name="age" id="age"> | |
| <input type="submit" value="Submit"> | |
| </form> | |
| <form data-jsonform action="/backend/second" method="post"> | |
| <input type="text" name="name" id="name"> | |
| <input type="text" name="age" id="age"> | |
| <input type="submit" value="Submit"> | |
| </form> | |
| </body> | |
| <html> |
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