• {string}

    The type of the performance entry. It may be one of:

    • 'node' (Node.js only)
    • 'mark' (available on the Web)
    • 'measure' (available on the Web)
    • 'gc' (Node.js only)
    • 'function' (Node.js only)
    • 'http2' (Node.js only)
    • 'http' (Node.js only)