TypeScript · question
Question 7 of 99
How do you extend interfaces in TypeScript?
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Re-explain
Use the extends keyword to inherit properties from other interfaces:
interface Shape {
color: string;
}
interface Circle extends Shape {
radius: number;
}
interface Rectangle extends Shape {
width: number;
height: number;
}
// Multiple inheritance
interface TimestampedShape extends Shape, Timestamped {
area: number;
}
interface Timestamped {
createdAt: Date;
updatedAt: Date;
}
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