How can I convert a date into an integer?

Question

I have an array of dates and have been using the map function to iterate through it, but I can\'t figure out the JavaScript code for converting them into integers.

This

Answer 1

var dates = dates_as_int.map(function(dateStr) {
    return new Date(dateStr).getTime();
});

=>

[1468959781804, 1469029434776, 1469199218634, 1469457574527]

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Update: ES6 version:

const dates = dates_as_int.map(date => new Date(date).getTime())