The Window.navigator read-only property returns a reference to the Navigator object, which can be queried for information about the application running the script.
Specifies an event listener to receive deviceproximity events. These events occur when the device sensor detects that an object becomes closer to or farther from the device.
The Web Performance API allows web pages access to certain functions for measuring the performance of web pages and web applications, including the Navigation Timing API and high-resolution time data.
The HTML Small Element (<small>) makes the text font size one size smaller (for example, from large to medium, or from small to x-small) down to the browser's minimum font size. In HTML5, this element is repurposed to represent side-comments and small print, including copyright and legal text, independent of its styled presentation.