knockoutjs-tutorial/forms.html at master · wftutorials/knockoutjs-tutorial · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Sample Knockoutjs App</title>
  <script
    src="https://code.jquery.com/jquery-3.4.1.min.js"
    integrity="sha256-CSXorXvZcTkaix6Yvo6HppcZGetbYMGWSFlBw8HfCJo="
    crossorigin="anonymous"></script>
</head>
<body>

<p data-bind="text:submission">Results</p>
<form data-bind="submit:showData">
  <input type="text" data-bind="textInput:name"/><br>
  <select data-bind="options: optionValues, value: selectedOptionValue"></select><br>
  <textarea data-bind="value:message"></textarea><br>
  <input type="checkbox" data-bind="checked: rememberMe" /> Remember me<br>
  <button type="submit">Submit</button>
</form>

<script type='text/javascript' src='./js/knockout-3.5.0.js'></script>
<script>
  function View(){
      var self = this;
      this.submission = ko.observable("Results:");
      this.name = ko.observable('');
      this.optionValues= ["Alpha", "Beta", "Gamma"];
      this.selectedOptionValue = ko.observable("Gamma");
      this.message = ko.observable("");
      this.rememberMe = ko.observable(true);
      this.showData =  function(form){
          var data = {
              name : self.name(),
              rays : self.selectedOptionValue(),
              message : self.message(),
              rememberMe : self.rememberMe()
          };
          $.post('url', data, function(){

          });

         console.log(data);
      }
  }

  ko.applyBindings(new View());
</script>
</body>
</html>