Stability: 0 - Deprecated: Use typeof value === 'boolean' instead.

    • object {any}
    • Returns: {boolean}

    Returns true if the given object is a Boolean. Otherwise, returns false.

    1. const util = require('util');
    3. util.isBoolean(1);
    4. // Returns: false
    5. util.isBoolean(0);
    6. // Returns: false
    7. util.isBoolean(false);
    8. // Returns: true