<form>
  <p>Input your text here:</p>
  <input type="text" id="inputFieldValue" />
  <input type="button" id="buttonClick" value="Click me!">
</form>

<span id="resultHere"></span>

$('#buttonClick').click(function() {
    print = $('#inputFieldValue').val();
    $('#resultHere').text(print);
});

someText = $('#inputFieldValue').val();

$('#buttonClick').click(function reverseMe(print) {
    var printMe = print.split('').reverse().join('');
    $('#resultHere').text(printMe);
});
reverseMe(someText);