Return object with default values from array in Javascript

Question

    const fields = [\'email\', \'password\'];

    const objFields = {};
    fields.forEach(value => {
      objFields[value] = \'\';
    });

    console.log(objFiel         


        

Answer 1

In modern browsers, or by using polyfills, you can use Object.fromEntries() to create an object from an array, using the array's values as keys/properties, and fill the object's values with a default.

const fields = ['email', 'password'];

const result = Object.fromEntries(fields.map(value => [value, '']));

The result is {email: "", password: ""}.