defaultValue - Cesium Documentation

# defaultValue

#### defaultValue()

  Returns the first parameter if not undefined, otherwise the second parameter. Useful for setting a default value for a parameter.

  ##### Example:

      param = Cesium.defaultValue(param, 'default');

  Source: Core/defaultValue.js, line 17

### Members

#### staticdefaultValue.EMPTY_OBJECT

  A frozen empty object that can be used as the default value for options passed as an object literal.
  Source: Core/defaultValue.js, line 28