Simplified Comparison
by seamuskc
HTML
Field 1: <input id="f1"> <br />
<a id="btnOk1" href="#">Option 1</a> |
<a id="btnOk2" href="#">Option 2</a> <br />
Result: <span id="result">Option 2</span>
JavaScript
$('btnOk1').on('click', function(){
var fieldValue = document.getElementById('f1').value;
if (fieldValue == ""){
$('result').update('false');
} else {
$('result').update('true');
}
});
$('btnOk2').on('click', function(){
$('result').update($F('f1') !== "");
});
$('result').on('click', function(){
this.update('');
});