The horizontal navigation element present at the base of the YouTube interface when in full-screen mode allows users to quickly jump to different points within the video. Functionally, it mirrors the standard progress bar found in the regular viewing mode, but its full-screen presence offers streamlined control during immersive viewing experiences. For example, a user watching a lengthy documentary in full-screen can use this element to swiftly rewind to a previous section or advance to a specific scene.
This feature significantly enhances the user experience by providing accessible and intuitive video navigation. Historically, full-screen viewing often lacked granular control, forcing users to exit full-screen to make even minor adjustments to the playback position. The integration of this bar addresses that limitation, improving accessibility and minimizing disruption for viewers engaged in long-form content. The benefits extend to ease of use across various devices, from desktops to mobile platforms connected to external displays.