indexable types typescript code example

Example 1: typescript interface

interface LabeledValue {
  label: string;
}

function printLabel(labeledObj: LabeledValue) {
  console.log(labeledObj.label);
}

let myObj = { size: 10, label: "Size 10 Object" };
printLabel(myObj);Try

Example 2: indexable type in ts

//Indexable type Typescript 
interface ListItem {
  [prop: string ] : string | number ;
}

const List: ListItem = {
  name: "joyous jackal" ;
  email: "[email protected]";
  age: 21 ;
}