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matraz con jquery o ajax return {"readyState":0,"status":0,"statusText":"error"}

quiero obtener el valor de entrada de la página html y enviarlos a la petaca y luego enviarlos de vuelta a html para mostrarles que mi código de la petaca es

 from flask import request, make_response from flask import jsonify from flask import Flask app = Flask(__name__) @app.route('/hello', methods=['GET', 'POST']) def hello(): message = request.get_json(force=True) name = message['name'] response = { 'greeting': 'Hello, ' + name + '!' } return jsonify(response)

en mi código html es

 <!DOCTYPE html> <html lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" /> <meta Access-Control-Allow-Origin="*" /> <meta charset="UTF-8"> <title>First Flask App</title> <style>*{font-size:30px}</style> </head> <body> <input id="name-input" type="text"> <button id="name-button">Submit</button> <p id="greeting"></p> <script src="https://code.jquery.com/jquery-3.3.1.min.js"></script> <script> $("#name-button").click(function(event){ let message = { name: $("#name-input").val() }; $.ajax({ url: 'http://localhost:5000/hello', type: 'POST', data:{'message': JSON.stringify(message)}, contentType: 'application/json; charset=utf-8', success: function(response){ $("#greeting").text(response.greeting); }, error: function(error){ alert(JSON.stringify(error)); } }); }); </script> </body> </html>

cambio html a jquery pero siempre veo este error {"readyState":0,"status":0,"statusText":"error"} busco mucho en internet pero ninguna de las soluciones me funciona

about 4 years ago · Juan Pablo Isaza
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