Check if two dates are equal

// Sounds easy, but you need to know the trick
// Write a function that takes two date instances as arguments
// It should return true if the dates are equal
// It should return false otherwise
function
myFunction
(
a, b
)
{

return
}
Test Cases:
myFunction(new Date('2000/01/01 08:00:00'), new Date('2000/01/01 08:45:00'))
Expected
false
myFunction(new Date('2000/01/01 08:00:00'), new Date('2000/01/01 08:00:00'))
Expected
true
myFunction(new Date('2001/01/01 08:00:00'), new Date('2000/01/01 08:00:00'))
Expected
false