How to avoid no-param-reassign when setting a property on a DOM object

Question

I have a method which\'s main purpose is to set a property on a DOM object

function (el) {
  el.expando = {};
}

I use AirBnB\'s code style

Answer 1

You can also use lodash assignIn which mutates the object. assignIn(obj, { someNewObj });

https://lodash.com/docs/4.17.2#assignIn