assert.js
function notStrictEqual(actual, expected, message) {
    if (actual !== expected) {
      this.pass(message);
    }
    else {
      this.fail({
        actual: actual,
        expected: expected,
        message: message,
        operator: "!=="
      })
    }
  }
function notStrictEqual(actual, expected, message) {
    if (actual !== expected) {
      this.pass(message);
    }
    else {
      this.fail({
        actual: actual,
        expected: expected,
        message: message,
        operator: "!=="
      })
    }
  }
function notStrictEqual ( actual , expected , message ) { if ( actual !== expected ) { this . pass ( message ) ; } else { this . fail ( { actual : actual , expected : expected , message : message , operator : "!==" } ) } }
The strict non-equality assertion tests for strict inequality, as
determined by `!==`.
@example
assert.notStrictEqual(null, undefined, "`null` is not `undefined`");
The strict non - equality assertion tests for strict inequality as determined by ! == .