kotlin-cesium-engine/cesium.engine/Resource/head

head

suspend fun head(options: Resource.HeadOptions? = definedExternally): Any?(source)

Asynchronously gets headers the given resource. Returns a promise that will resolve to the result once loaded, or reject if the resource failed to load. The data is loaded using XMLHttpRequest, which means that in order to make requests to another origin, the server must have Cross-Origin Resource Sharing (CORS) headers enabled.

resource.head()
  .then(function(headers) {
      // use the data
  }).catch(function(error) {
      // an error occurred
  });
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Return

a promise that will resolve to the requested data when loaded. Returns undefined if request.throttle is true and the request does not have high enough priority.

See also