Question

How to create and use a function inside an object in TypeScript

Answer 1

const obj = {
    num: 18,
    sum(a : number, b : number) : number{
        return a + b + this.num;
    },
};

console.log(obj.sum(3, 5)); 
 
  
  
  
  
/*
run:
  
26
  
*/

 

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