change to 2 decimal format javascript code example

Example 1: javascript convert to two decimal places

var example = 3.35464464374256  ;
example = parseFloat(example.toFixed(2)) ;  // example == 3.35

Example 2: to 2 decimal places javascript

var discount = Math.round((100 - (price / listprice) * 100) * 100) / 100;