subtract years from current date in javascript code example

Example 1: javascript subtract years from date

var date = new Date(); 
date.setDate(date.getDate() + days);
date.setMonth(date.getMonth() + months);
date.setFullYear(date.getFullYear() + years);
console.log((date.getMonth() ) + '/' + (date.getDate()) + '/' + (date.getFullYear()));

Example 2: subtract 18 years from today javascript

eighteenYearsAgo = new Date();
eighteenYearsAgo = eighteenYearsAgo.setFullYear(eighteenYearsAgo.getFullYear()-18);
console.log(eighteenYearsAgo);