Demonstrates select object used as a multi-line list box : Option Select ComboBox « Form Control « JavaScript DHTML

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JavaScript DHTML » Form Control » Option Select ComboBox 
Demonstrates select object used as a multi-line list box
   
<html>
<head>
<script>
function changeColor(){
  var theSelect = document.myForm.selColor;
  var selectedOne = theSelect[theSelect.selectedIndex];
  var theColor = selectedOne.value;
  document.bgColor = theColor;

  var colorList = "";
  var i = 0;

  for (i = 0; i < theSelect.length; i++){
    selectedOne = theSelect.options[i];
    if (selectedOne.selected == true){
      colorList += selectedOne.value + "\n";
    }
  }
  document.myForm.txtOutput.value = colorList;
}
</script>
</head>
<body>
Color Chooser
<form name = "myForm">
<select name = selColor multiple size = 3>
  <option value = red>red</option>
  <option value = orange>orange</option>
  <option value = yellow>yellow</option>
</select>
<input type = "button"
       value = "change color"
       onClick = "changeColor()">
<textarea name = txtOutput
          rows = 10
          cols = 40>
</textarea>
</form>
</body>
</html>

   
    
    
  
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41.Using the options[index].text Property
42. Using the options[index].value Property
43.Triggering a Color Change from a Pop-Up Menu
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