es2016IntlAPIs.ts(12,15): error TS18046: 'err' is of type 'unknown'.


==== es2016IntlAPIs.ts (1 errors) ====
    // Sample from
    // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl/getCanonicalLocales
    console.log(Intl.getCanonicalLocales('EN-US'));
    // Expected output: Array ["en-US"]
    
    console.log(Intl.getCanonicalLocales(['EN-US', 'Fr']));
    // Expected output: Array ["en-US", "fr"]
    
    try {
      Intl.getCanonicalLocales('EN_US');
    } catch (err) {
      console.log(err.toString());
                  ~~~
!!! error TS18046: 'err' is of type 'unknown'.
      // Expected output: RangeError: invalid language tag: EN_US
    }
    