Alex Kocharin wrote:
04.01.2015, 05:44, "Rick Waldron" <[email protected]>:
On Sat Jan 03 2015 at 9:41:57 PM Alex Kocharin <[email protected]
<mailto:[email protected]>> wrote:
Also, if you want to prevent mistakes like `object['blah' +
symbol]`, linters could be changed to forbid/warn about
concatenation inside property names.
How would a linter know that `symbol` was actually a Symbol?
It wouldn't. But if it warns about string concatenation inside square
braces (means, string + variable, but not number + variable), it
should be good enough. This is the error the spec is trying to
prevent, isn't it?
No. See the JQuery examples that bz provided.
My point is: concatenating Symbols with other strings have legitimate
uses.
Name one.
And javascript shouldn't require any explicit type casting in order to
do this, it isn't a statically typed language.
Static types have nothing to do with getting an error on implicit
conversion.
/be
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