Javascript Key Event Code Table is a tool used to view keyboard event codes. It can display information such as the code, name, location, modifier key status, and history of the pressed key.

Features:

1. When the user presses any key on the keyboard, the tool automatically detects and displays information such as the code, name, location, modifier key status, and history of the pressed key.

2. The tool displays the detected information in the output area.

3. Users can view information such as the code, name, location, modifier key status, and history of the pressed key through the tool's interface.

Use cases:

1. Development and testing: When developing or testing keyboard event-related functions, developers often need to view information such as the code, name, location, modifier key status, and history of the pressed key. Using the Javascript Key Event Code Table tool can quickly and easily view this information.

2. Keyboard event debugging: When debugging keyboard event-related functions, developers can use the Javascript Key Event Code Table tool to view information such as the code, name, location, modifier key status, and history of the pressed key to better understand the event triggering mechanism.

3. Keyboard event learning: For people learning about keyboard events, the Javascript Key Event Code Table tool can help them better understand the relevant concepts and mechanisms of keyboard events.