MultiTable/src/SampleUtils.js
/**
   * Returns the milliseconds elapsed between the two datetime strings. The
   * second argument is expected to be greater than the first argument. If the
   * second argument is undefined, it assumes "now".
   */
Returns the milliseconds elapsed between the two datetime strings. The
second argument is expected to be greater than the first argument. If the
second argument is undefined, it assumes "now".
Returns the milliseconds elapsed between the two datetime strings . The second argument is expected to be greater than the first argument . If the second argument is undefined it assumes " now " .
static elapsedMillis(s1, s2) {
    let t1 = new Date(s1).getTime();
    let t2 = s2 ? (new Date(s2)).getTime() : Date.now();
    return t2 - t1;
  } 
static elapsedMillis ( s1 , s2 ) { let t1 = new Date ( s1 ) . getTime ( ) ; let t2 = s2 ? ( new Date ( s2 ) ) . getTime ( ) : Date . now ( ) ; return t2 - t1 ; }
Returns the milliseconds elapsed between the two datetime strings.
Returns the milliseconds elapsed between the two datetime strings .
// elapsedMillis