js convert string to number with decimals set an amount of decimals code example

Example 1: javascript convert string to 2 decimal

var twoPlacedFloat = parseFloat(yourString).toFixed(2)

Example 2: javascript string to a decimal

<script language="JavaScript" type="text/javascript">
var a = "3.3445";
var c = parseFloat(a);
alert(c);
</script>