On Mon, Dec 19, 2016 at 9:52 AM, Erik <pyt...@lucidity.plus.com> wrote: > > 1) Method call: > "obj.foo(1, 2, 3)" is syntactic sugar for "obj.foo(obj, 1, 2, 3)".
And the bit you have to be REALLY careful of when working with both Python and JS is that you have to have "obj.foo(...)" as a single expression. Consider: # Python lst = [] func = lst.append func(1); func(2); func(3) # lst now holds [1,2,3] // JavaScript var arr = [] var func = arr.push.bind(arr) // IMPORTANT func(1); func(2); func(3) // arr now contains [1,2,3] If you just take "arr.push", you don't get a bound method. You get an unbound method. You have to explicitly bind that back to the array object, or its "this" pointer won't be set. This is so important (eg with callback functions) that JS introduced a new type of function to help deal with the problem... ChrisA -- https://mail.python.org/mailman/listinfo/python-list
