best way to represent a date in javascript code example

Example 1: new date parameters javascript

// new Date parameters in javascript
new Date(year, month, date, hours, minutes, seconds, ms)

Example 2: Javascript format date / time

var date = new Date('2014-8-20');
console.log((date.getMonth()+1) + '/' + date.getDate() + '/' +  date.getFullYear());