Try the following without fat-arrow syntax off of an object

    {
      foo: (a,b) => doFoo(this, a, b, 'fixed-value')
    }

I find the fat-arrow syntax allows for much more dynamic flows that are easy to understand, more so than bind, and like the above, where bind wouldn't work.

There's a lot of oneliner possibilities when you get rid of 12+ characters `function(){ return ` ... Also, I find the fat-arrow syntax looks better in a lot of cases, where you might use bind.