pre
será una propiedad de objeto y debe devolver true
si su valor es truthy
. De lo contrario, devuelve false
. En JavaScript, los valores de truthy
son valores que se convierten en true
cuando se evalúan en un contexto booleano. Recuerde, puede acceder a las propiedades del objeto a través de la notación de puntos o la notación []
. Recuerda usar Read-Search-Ask si te atascas. Trate de emparejar el programa. Escribe tu propio código. truthCheck([{"user": "Tinky-Winky", "sex": "male"}, {"user": "Dipsy", "sex": "male"}, {"user": "Laa-Laa", "sex": "female"}, {"user": "Po", "sex": "female"}], "sex")
debe devolver el valor verdadero.'
testString: 'assert.strictEqual(truthCheck([{"user": "Tinky-Winky", "sex": "male"}, {"user": "Dipsy", "sex": "male"}, {"user": "Laa-Laa", "sex": "female"}, {"user": "Po", "sex": "female"}], "sex"), true, "truthCheck([{"user": "Tinky-Winky", "sex": "male"}, {"user": "Dipsy", "sex": "male"}, {"user": "Laa-Laa", "sex": "female"}, {"user": "Po", "sex": "female"}], "sex")
should return true.");'
- text: 'truthCheck([{"user": "Tinky-Winky", "sex": "male"}, {"user": "Dipsy"}, {"user": "Laa-Laa", "sex": "female"}, {"user": "Po", "sex": "female"}], "sex")
debe devolver falso.'
testString: 'assert.strictEqual(truthCheck([{"user": "Tinky-Winky", "sex": "male"}, {"user": "Dipsy"}, {"user": "Laa-Laa", "sex": "female"}, {"user": "Po", "sex": "female"}], "sex"), false, "truthCheck([{"user": "Tinky-Winky", "sex": "male"}, {"user": "Dipsy"}, {"user": "Laa-Laa", "sex": "female"}, {"user": "Po", "sex": "female"}], "sex")
should return false.");'
- text: 'truthCheck([{"user": "Tinky-Winky", "sex": "male", "age": 0}, {"user": "Dipsy", "sex": "male", "age": 3}, {"user": "Laa-Laa", "sex": "female", "age": 5}, {"user": "Po", "sex": "female", "age": 4}], "age")
debe devolver falso.'
testString: 'assert.strictEqual(truthCheck([{"user": "Tinky-Winky", "sex": "male", "age": 2}, {"user": "Dipsy", "sex": "male", "age": 0}, {"user": "Laa-Laa", "sex": "female", "age": 5}, {"user": "Po", "sex": "female", "age": 4}], "age"), false, "truthCheck([{"user": "Tinky-Winky", "sex": "male", "age": 0}, {"user": "Dipsy", "sex": "male", "age": 3}, {"user": "Laa-Laa", "sex": "female", "age": 5}, {"user": "Po", "sex": "female", "age": 4}], "age")
should return false.");'
- text: 'truthCheck([{"name": "Pete", "onBoat": true}, {"name": "Repeat", "onBoat": true}, {"name": "FastFoward", "onBoat": null}], "onBoat")
debe devolver falso'
testString: 'assert.strictEqual(truthCheck([{"name": "Pete", "onBoat": true}, {"name": "Repeat", "onBoat": true}, {"name": "FastFoward", "onBoat": null}], "onBoat"), false, "truthCheck([{"name": "Pete", "onBoat": true}, {"name": "Repeat", "onBoat": true}, {"name": "FastFoward", "onBoat": null}], "onBoat")
should return false");'
- text: 'truthCheck([{"name": "Pete", "onBoat": true}, {"name": "Repeat", "onBoat": true, "alias": "Repete"}, {"name": "FastFoward", "onBoat": true}], "onBoat")
debe devolver true'
testString: 'assert.strictEqual(truthCheck([{"name": "Pete", "onBoat": true}, {"name": "Repeat", "onBoat": true, "alias": "Repete"}, {"name": "FastFoward", "onBoat": true}], "onBoat"), true, "truthCheck([{"name": "Pete", "onBoat": true}, {"name": "Repeat", "onBoat": true, "alias": "Repete"}, {"name": "FastFoward", "onBoat": true}], "onBoat")
should return true");'
- text: 'truthCheck([{"single": "yes"}], "single")
debe devolver verdadero'
testString: 'assert.strictEqual(truthCheck([{"single": "yes"}], "single"), true, "truthCheck([{"single": "yes"}], "single")
should return true");'
- text: 'truthCheck([{"single": ""}, {"single": "double"}], "single")
debe devolver falso'
testString: 'assert.strictEqual(truthCheck([{"single": ""}, {"single": "double"}], "single"), false, "truthCheck([{"single": ""}, {"single": "double"}], "single")
should return false");'
- text: 'truthCheck([{"single": "double"}, {"single": undefined}], "single")
debe devolver falso'
testString: 'assert.strictEqual(truthCheck([{"single": "double"}, {"single": undefined}], "single"), false, "truthCheck([{"single": "double"}, {"single": undefined}], "single")
should return false");'
- text: 'truthCheck([{"single": "double"}, {"single": NaN}], "single")
debe devolver falso'
testString: 'assert.strictEqual(truthCheck([{"single": "double"}, {"single": NaN}], "single"), false, "truthCheck([{"single": "double"}, {"single": NaN}], "single")
should return false");'
```