Wie ändert man den Wert eines Textfelds mit jQuery?

Möchte ich die Werte der Textfelder klickt der Benutzer auf den submit-button mit Jquery. Ich versuchte es mit

$('textbox').val('Changed Value');

und

$('#dsf').val('Changed Value'); 

aber weder Methode gearbeitet.

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>serializeArray demo</title>
  <style>
  body, select {
    font-size: 14px;
  }
  form {
    margin: 5px;
  }
  p {
    color: red;
    margin: 5px;
  }
  b {
    color: blue;
  }
  </style>
  <script src="//code.jquery.com/jquery-1.10.2.js"></script>
</head>
<body>

<p><b>Results:</b> <span id="results"></span></p>
<form>
  <select name="single">
    <option>Single</option>
    <option>Single2</option>
  </select>
  <select name="multiple" multiple="multiple">
    <option selected="selected">Multiple</option>
    <option>Multiple2</option>
    <option selected="selected">Multiple3</option>
  </select>
  <br>
  <input type="checkbox" name="check" value="check1" id="ch1">
  <label for="ch1">check1</label>
  <input type="checkbox" name="check" value="check2" checked="checked" id="ch2">
  <label for="ch2">check2</label>
  <input type="radio" name="radio" value="radio1" checked="checked" id="r1">
  <label for="r1">radio1</label>
  <input type="radio" name="radio" value="radio2" id="r2">
  <label for="r2">radio2</label>


  <input type="submit"  value="s1" id="ch">

  <input type="submit"  value="szv" id="cd" > 

  <input type="text"   value = "abc"  id = "dsf" > 

  <input type="text"   value = "abc"  id = "dsxzcv"  > 

</form>

<script>
  function showValues() {
    var fields = $( ":input" ).serializeArray();
    $( "#results" ).empty();
    jQuery.each( fields, function( i, field ) {
      $( "#results" ).append( field.value + " " );
    });
  }

  $( ":checkbox, :radio" ).click( showValues );
  $( "select" ).change( showValues );

  $(#ch1).val("adfsadf") ;

  showValues();

  $(‘:submit’).click(function () {

   $(‘:submit’).val() = "dasf" ;

   $('textbox').val('Changed Value');

 //$('#dsf').val('Changed Value');
}
</script>

</body>
</html>

InformationsquelleAutor der Frage user3289032 | 2014-03-08

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