Scala "for comprehension" in Javascript

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I've gotten used to Scala's "for" construct and like it a lot. I am now writing some Javascript code and am using Lo-Dash (basically an extension of Underscore). Is there any way to mimic Scala's "for" comprehension in javascript?

My goal is to clean map/reduce code similar to this:

rawCoordinates = _.map( directionsRoute.legs, function ( leg ) {
   return _.map( leg.steps, function ( step ) {
      return _.map( step.path, function ( latLng ) {
         return [ latLng.lng(), latLng.lat() ];
      } );
   } );
} );

Thanks!

asked 56 secs ago

Jon

3,780