js number just 2 decimals code example
Example 1: javascript show 2 decimal places
var myNumber=12.2345;
var myNumberWithTwoDecimalPlaces=parseFloat(myNumber).toFixed(2); //12.23
Example 2: to 2 decimal places javascript
var discount = Math.round((100 - (price / listprice) * 100) * 100) / 100;