<p>

    <label>My Daily Rate is:</label><br />
<input class="poundsBox" name="shares" id="shares" type="text" /><br />
<br />
Your Gross Contract Take Home:
</p>
<p>
<span class="result">&pound; <span id="result"></span></span>
</p>
The above illustration is provided for guidance only. Please complete the request form below for a detailed personal illustration.

<script type="text/javascript">
$("#shares").keyup(function() {
   var val = parseFloat($(this).val());
   // If val is a good float, multiply by 260, else show an error
   val = (val ? val * 260 * 0.88 :"Invalid number");
   $("#result").text(val);
})

var num = 5.56789;
var n=num.toFixed(2);

//5.57

num.toString().replace(/(\d)(?=(\d\d\d)+(?!\d))/g,"$1,")

//100000 => 100,000
//8000 => 8,000
//1000000 => 1,000,000

var value = 1250.223;
var num = '$' + value.toFixed(2).replace(/(\d)(?=(\d\d\d)+(?!\d))/g,"$1,");

//document.write(num) would write value as follows: $1,250.22