TIL: `x ? y` in CoffeeScript is a shorthand for `if x? then x else y`.
Akinori MUSHA
1 changed files with 1 additions and 1 deletions
+ 1
- 1
app/assets/javascripts/map_marker.js.coffee
@@ -19,7 +19,7 @@ window.map_marker = (map, options = {}) ->
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| 19 | 19 |
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| 20 | 20 |
if options.course |
| 21 | 21 |
p1 = new LatLon(pos.lat(), pos.lng()) |
| 22 |
- speed = if options.speed? then options.speed else 1 |
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| 22 |
+ speed = options.speed ? 1 |
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| 23 | 23 |
p2 = p1.destinationPoint(options.course, Math.max(0.2, speed) * 0.1) |
| 24 | 24 |
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| 25 | 25 |
lineCoordinates = [ |