check for palindrome (v3)

Revision 3 of this benchmark created by joe on

Preparation HTML

<h1>Palindrome Checker</h1>
                <input type="text" id="textField" placeholder="Enter your word or phrase" value="A man, a plan, a canal, Panama!" style="width:25%"/>
                <input type="button"  id="checkText" value="Is it a Palindrone?" />

Test runner

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Testing in
TestOps/sec
using an array
document.getElementById('checkText').addEventListener('click', function(){
                                var e = document.getElementById('textField').value.replace(/\W/g, '').toLowerCase();
                                var msg = (e == e.split('').reverse().join(''))? 'Palindrome' :'Not!';
                                alert(msg);
                        }, false);

 
ready
testing the string
$('checkText').observe('click', function(){
                                var cleaned = $F('textField').replace(/\W/g,'').toLowerCase();
                                var msg = (cleaned.toString() == cleaned.toArray().reverse().toString())? 'Palindrome! :D': 'No Palindrome :(';
                                        alert(msg);
                        }, false);
ready

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