Dmitry Soshnikov wrote:
FOO = 45;
bar(); // 48
Use cases like:
function bar(y = FOO + 3) {
var FOO = 10;
return y;
}
May look subtle, however, if again to accept lexical scope as the
function definition, then FOO again should be resolved in the
bar.[[Scope]], not in the bar's activation:
bar(); // still 48
It's a good point. The ES6 proposal is more expressive than Python and
subsumes it. You can compose:
var FOO = 42;
function bar(x, y = FOO + x) {...}
and use both activation-scope parameters and outer-scope closed-over
variables as usual.
/be
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