String Reverse [BASIC]

String manipulation is one of the most basic things you need to know.

	<form id="reverse" action="javascript:doIT()">
		<table>
			<th colspan="2">Reverse String</th>
			<tr>
				<td><input type="text" id="string" placeholder="enter a string" required /></td>
			</tr>
			<tr>
				<td class="button"><input type="submit" id="reverse" value="Reverse" /></td>
			</tr>
			<tr>
				<td><strong>LOG :</strong><br/><div id="log"></div></td>
			</tr>
		</table>
	</form>
	<script>
		function doIT(){
			var string = document.getElementById("string");
			var log = document.getElementById("log");
			log.innerHTML += "&emsp;" + string.value + " = " + reversal(string.value) + "<br/>";
			string.value = reversal(string.value);
		}
		function reversal(s) {
			var r = s.split("").reverse().join("");
			return r;
		}
	</script>