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Sargis 2019-08-17 20:13:29 +04:00 • committed by GitHub
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@ -99,7 +99,7 @@ It triggers when a property is read, with following arguments:
Let's use `get` to implement default values for an object. Let's use `get` to implement default values for an object.
We'll make a numeric array that returns return `0` for non-existant values. We'll make a numeric array that returns `0` for non-existant values.
Usually when one tries to get a non-existing array item, they get `undefined`, but we'll wrap a regular array into proxy that traps reading and returns `0` if there's no such property: Usually when one tries to get a non-existing array item, they get `undefined`, but we'll wrap a regular array into proxy that traps reading and returns `0` if there's no such property: