ESM:
              
            import * as lengthOperator from "@arcgis/core/geometry/operators/lengthOperator.js";
            
              CDN:
              
          const lengthOperator = await $arcgis.import("@arcgis/core/geometry/operators/lengthOperator.js");
            
          Object:
          
        
        
        
        
        
          @arcgis/core/geometry/operators/lengthOperator
        Since: ArcGIS Maps SDK for JavaScript 4.31
        
        
      
      Returns the planar length of a 2D geometry.

Property Overview
| Name | Type | Summary | Object | 
|---|---|---|---|
Indicates if the operator supports input geometries that contain curves.  | lengthOperator | 
Property Details
- 
  
  
supportsCurves
PropertysupportsCurves Booleanreadonly - 
  
    
Indicates if the operator supports input geometries that contain curves. The value will always be
true. 
Method Overview
| Name | Return Type | Summary | Object | 
|---|---|---|---|
Calculates the planar length of the input geometry.  | lengthOperator | 
Method Details
- 
  
  
execute
Methodexecute(geometry, options){Number} - 
  
  
    
Calculates the planar length of the input geometry.
Parametersgeometry GeometryUnionThe geometry to calculate the length from.
options ObjectoptionalAdditional options.
Specificationunit LengthUnitoptionalThe length unit of the return value. The default is the input geometry's spatial reference unit. An error will be thrown if this is set for Geographic Coordinate Systems.
ReturnsType Description Number Returns the planar length of the geometry. Example// Calculate the length of a polyline const length = lengthOperator.execute(polyline);