How to fill in a text field with drop down selection

Question

I have a drop down with different strings, I want a text box to be filled in with the string of the drop down selected.

I am writing this in html

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Answer 1

Something like this jsfiddle demo?

HTML:

<textarea id="mytext"></textarea>

<select id="dropdown">
    <option value="">None</option>
    <option value="text1">text1</option>
    <option value="text2">text2</option>
    <option value="text3">text3</option>
    <option value="text4">text4</option>
</select>

JavaScript:

<script type="text/javascript">
    var mytextbox = document.getElementById('mytext');
    var mydropdown = document.getElementById('dropdown');

    mydropdown.onchange = function(){
          mytextbox.value = mytextbox.value  + this.value; //to appened
         //mytextbox.innerHTML = this.value;
    }
</script>