CODEWITHSUNDEEP
javascript
Patrick1904
Patrick1904

Reputation: 87

Object.entries loop only returns first entry

I have an object that looks like this:

myObject = {a: 'hello', b: 2323, c: 123}

I'm trying to loop through and return key and value for each entry with the following function:

returnSomeData(myObject) {
 for (const [key, value] of Object.entries(myObject)) {
    return (
      `${key}: ${value}`
    );
  }
}

Currently, only the first entry (a: hello) gets returned. Does anyone know why I'm not getting all entries in the object?

Upvotes: 3

Views: 1248

Answers (2)

ibrahim mahrir
ibrahim mahrir

Reputation: 31712

You are returning from the first iteration in the for loop. The return statement renders the for loop utterly useless. You should group the results in an array and then return them after the for loop finishes:

returnSomeData(myObject) {
  const results = [];
  for (const [key, value] of Object.entries(myObject)) {
    results.push(
      `${key}: ${value}`
    );
  }
  return results;
}

You can also use map like so:

returnSomeData(myObject) {
  return Object.entries(myObject).map(([key, value]) => `${key}: ${value}`);
}

Example:

function returnSomeData(myObject) {
  return Object.entries(myObject).map(([key, value]) => `${key}: ${value}`);
}

let myObject = {a: 'hello', b: 2323, c: 123};
let result = returnSomeData(myObject);
console.log(result);

Upvotes: 3

rotato poti
rotato poti

Reputation: 131

use console.log instead of return. When you return the function stops running or maybe you want to use another function.

Upvotes: 0

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