How to copy input value from one input to another input?

Question

JavaScript

So the value is entered only in p

<script src="http://code.jquery.com/jquery-1.9.1.js"></script>

<input type="text" value="some text"/>
 <p></p>
<script>
   $("input").keyup(function () {
     var value = $(this).val();
     $("p").text(value);
   }).keyup();
</script>

Answer 1

Change field values ​​instead of text

<script>
   $("input").keyup(function () {
     var value = $(this).val();
     $("#second_input").val(value);
   });
</script>