Function notEqual

  • Strict assertion mode

    An alias of notStrictEqual.

    Legacy assertion mode

    Stability: 3 - Legacy: Use notStrictEqual instead.

    Tests shallow, coercive inequality with the != operator. NaN is specially handled and treated as being identical if both sides are NaN.

    import assert from 'assert';

    assert.notEqual(1, 2);
    // OK

    assert.notEqual(1, 1);
    // AssertionError: 1 != 1

    assert.notEqual(1, '1');
    // AssertionError: 1 != '1'

    If the values are equal, an AssertionError is thrown with a messageproperty set equal to the value of the message parameter. If the messageparameter is undefined, a default error message is assigned. If the messageparameter is an instance of an Error then it will be thrown instead of theAssertionError.

    Parameters

    • actual: unknown
    • expected: unknown
    • Optional message: string | Error

    Returns void

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