set drawingmode javascript

JavaScript
google.maps.drawing.OverlayType.MARKER
google.maps.drawing.OverlayType.POLYGON
google.maps.drawing.OverlayType.POLYLINE
google.maps.drawing.OverlayType.RECTANGLE
google.maps.drawing.OverlayType.CIRCLEdrawingManager.setDrawingMode(google.maps.drawing.OverlayType.CIRCLE);
Source

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