Stability: 0 - Deprecated: Use value === null instead.

    • object {any}
    • Returns: {boolean}

    Returns true if the given object is strictly null. Otherwise, returns false.

    1. const util = require('util');
    2. util.isNull(0);
    3. // Returns: false
    4. util.isNull(undefined);
    5. // Returns: false
    6. util.isNull(null);
    7. // Returns: true