This example styles the map in night mode. It uses colors that are useful for situations such as giving directions in the dark. In the satellite view, styling does not affect base imagery, but it does affect roads, labels, and other map components.
Read the documentation.
Git and Node.js are required to run this sample locally. Follow these instructions to install Node.js and NPM. The following commands clone, install dependencies and start the sample application.
git clone -b sample-style-array https://github.com/googlemaps/js-samples.git
Other samples can be tried by switching to any branch beginning with
git checkout sample-SAMPLE_NAME