For example user.age - from 18 years.
Closed due to the fact that the issue is too general for participants Akina , user207618, Grundy , Denis Bubnov , αλεχολυτ 9 Feb '17 at 14:39 .
Please correct the question so that it describes the specific problem with sufficient detail to determine the appropriate answer. Do not ask a few questions at once. See “How to ask a good question?” For clarification. If the question can be reformulated according to the rules set out in the certificate , edit it .
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2 answers
A classic example for object setters. Try to use them.
They allow you to check directly when assigning a property through
user.age = 99; Read more https://learn.javascript.ru/descriptors-getters-setters#da- health-get-set
Nick Volynkin ♦
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Skif skif
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- Please try to publish detailed answers containing a specific example of the minimum solution, supplementing them with a link to the source. Answers –references (like comments) do not add knowledge to Runet. - Nicolas Chabanovsky ♦
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can be so:
var minAge = 18; if(user.age >= minAge){ // do something } 
Mikl mikl
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- It seems to me that it’s impossible to even assign an invalid value to an object. - Nick Volynkin ♦
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