On Tue, Jun 12, 2018 at 12:31 PM, Aadit M Shah <aaditms...@fastmail.fm>
wrote:
> Classes in JavaScript don't allow assignments within the class body.
Hence,
> the following code is invalid:
>
> class Test {
> x = 123; // This throws an error.
> lazy random = this.x + Math.random(); // Similarly, this should be
> invalid.
> }
Andrea was using syntax from the [class fields proposal][1], currently at
Stage 3 and fairly commonly used via transpilation (he said "class fields"
later in the post, but didn't emphasize it).
-- T.J. Crowder
[1]: https://github.com/tc39/proposal-class-fields
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