How to convert string as object's field name in javascript

Question

I have a js object like:

obj = {
  name: \'js\',
  age: 20
};

now i want to access name field of obj, but i can only get string \'name\', s

Answer 1

Not related at all, but for anyone trying to define object's field name from a string variable, you could try with:

const field = 'asdf'
const obj = {[field]: 123}
document.body.innerHTML = obj.asdf