how to subtract years from current date in javascript?
['Designate a variable called "date" to store the current date: var date = new Date(\'25 Dec 2010\');', 'Output the result to the console to ensure the above step is correct: console.log(date);', 'In the "month" date type, within the "date" object, subtract 12 from the current number. ... ', 'Again, output the result.']