Where can I get info on the object parameter syntax for JavaScript functions?

Question

If I want to call a function like this:

moo({ a: 4 });

Normally I\'d have to phrase my function definition like this:

funct         


        

Answer 1

It's called destructuring. You might find the most info at MDN: Destructuring assignment (especially see Unpacking fields from objects passed as function parameter).

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The ECMAScript standards discussion can be found on their wiki page, also interesting might be this blog post at dailyjs.