when you encounter a problem in the process of learning TypeScript, take a look at the following code
In the section TypeScript additional type checking, solutions are given to avoid compiler errors in the code.
my confusion is, why can this method circumvent compiler type checking?
,,[propName: string]: any,
interface SquareConfig {
color?: string;
width?: number;
[propName: string]: any;
}
let squareOptions = { colour: "red", width: 100 };
let mySquare = createSquare(squareOptions);
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