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Ilya Kantor 2019-07-16 19:23:00 +03:00
parent 67e317cee9
commit 52ef3256c9
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1-js/99-js-misc/01-proxy/01-error-nonexisting/task.md
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# Error on reading non-existant property
Create a proxy that throws an error for an attempt to read of a non-existant property.
Usually, an attempt to read a non-existant property returns `undefined`.
Create a proxy that throws an error for an attempt to read of a non-existant property instead.
That can help to detect programming mistakes early.
Write a function `wrap(target)` that takes an object `target` and return a proxy instead with that functionality.
Write a function `wrap(target)` that takes an object `target` and return a proxy that adds this functionality aspect.
That's how it should work: