Solution Review: Bind Function

const bind = (fn, obj) => (...args) => fn.apply(obj, args)
function multiply(a) {
  console.log(this.val * a.val2);
}
var obj = {val : 2}
function callingBind(){
  const bindFunc = bind(multiply, obj)
  bindFunc.call(this,{val2 : 2}) 
}
callingBind()