var promise = new Promise(function(resolve, reject) {
    reject('This statement is rejected');
})

promise
    .then(function(successMessage) {
        console.log(successMessage);
    }, function(errorMessage) {
      //Error handler is invoked since the request failed for some reason and is handled here
        console.log(errorMessage); // This is executed
    })

    //OUTPUT
    This statement is rejected