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39 lines
579 B
Markdown
39 lines
579 B
Markdown
---
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id: 1bdd832a-3dee-4b31-9192-c51cde8a4b66
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title: TypeScript Interfaces
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---
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# Example
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``` typescript
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interface Name {
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first: string;
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second: string;
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}
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var name: Name;
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name = {
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first: 'John',
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second: 'Doe'
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};
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name = { // Error : `second` is missing
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first: 'John'
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};
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name = { // Error : `second` is the wrong type
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first: 'John',
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second: 1337
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};
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```
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## Class implementing interface
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``` typescript
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interface Point {
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x: number; y: number;
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}
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class MyPoint implements Point {
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x: number; y: number; // Same as Point
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}
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```
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