Get the number of milliseconds elapsed since 1 January 1970 00:00:00UTC

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The static method Date.now returns the number of milliseconds that have elapsed since 1 January 1970 00:00:00
UTC. To get the number of milliseconds that have elapsed since that time using an instance of a Date object, use its
getTime method.

Code: Select all

// get milliseconds using static method now of Date
console.log(Date.now());

Code: Select all

// get milliseconds using method getTime of Date instance
console.log((new Date()).getTime());