Михалев Кирилл #16
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Михалев Кирилл #16
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Toouren
reviewed
Apr 4, 2021
| type FooType = unknown; | ||
| type BarType = unknown; | ||
| type FooType = {stringProp:string,numberProp:number,barObject:BarType}; | ||
| type BarType = {stringsArrayProp:Array<string>,numbersOrDatesArrayProp:Array<Date|number>,functionProp:Function}; | ||
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Toouren
reviewed
Apr 4, 2021
| if (typeof x === 'number' && typeof y === 'number') | ||
| return x + y; | ||
| throw new Error; | ||
| } | ||
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Toouren
reviewed
Apr 4, 2021
| type не может иметь несколько объявлений. | ||
| 3)type - создает новое имя для типа, inteface - обеспечивает способ определения сущностей. | ||
| 4)type не может быть реализован,только объявлен,а члены interface реализуются производным классом. | ||
| */ |
Toouren
reviewed
Apr 4, 2021
| @@ -73,7 +73,7 @@ export function logPerson(person: Person) { | |||
| console.log(` - ${person.name}, ${person.age}, ${additionalInformation}`); | |||
| } | |||
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| export function filterUsers(persons: Person[], criteria: User): User[] { | |||
| export function filterUsers(persons: Person[], criteria: {type?: string, name?: string, age?: number, occupation?: string}): User[] { | |||
| return persons.filter(isUser).filter((user) => { | |||
| const criteriaKeys = Object.keys(criteria); | |||
| return criteriaKeys.every((fieldName) => { | |||
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