Return the number of milliseconds that have elapsed since the provided startTime
the startTime MUST be obtained from perfNow to ensure the correct elapsed
value is returned.
Parameters
startTime: number
The startTime obtained from perfNow
Returns number
The number of milliseconds that have elapsed since the startTime.
Since
0.4.4
Example
letstart = perfNow(); // Do some work lettotalTime = elapsedTime(start);
Return the number of milliseconds that have elapsed since the provided
startTimethestartTimeMUST be obtained from perfNow to ensure the correct elapsed value is returned.