typescript type of object values
type Dictionary = {
[key: string]: any
}
4.1
10
type Data = {
value: number;
text: string;
};
type textProperty = Data["text"]; //string
//OR
const data = {
value: 123,
text: 'hello'
};
type textProperty = typeof data["text"]; //string
Thank you!
10
0
4.5
6
const data = {
value: 123,
text: 'text'
};
type Data = typeof data["text"]; // String
Thank you!
6
0
4.5
2
declare function create(o: object | null): void;
// OKcreate({ prop: 0 });create(null);create(undefined); // with `--strictNullChecks` flag enabled, undefined is not a subtype of nullArgument of type 'undefined' is not assignable to parameter of type 'object | null'.2345Argument of type 'undefined' is not assignable to parameter of type 'object | null'.
create(42);Argument of type '42' is not assignable to parameter of type 'object | null'.2345Argument of type '42' is not assignable to parameter of type 'object | null'.create("string");Argument of type '"string"' is not assignable to parameter of type 'object | null'.2345Argument of type '"string"' is not assignable to parameter of type 'object | null'.create(false);Argument of type 'false' is not assignable to parameter of type 'object | null'.2345Argument of type 'false' is not assignable to parameter of type 'object | null'.Try
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2
0
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