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freeCodeCamp/guide/russian/miscellaneous/check-the-length-property-of-a-string-variable/index.md
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---
title: Check the Length Property of a String Variable
localeTitle: Проверьте свойство длины переменной String
---
Структуры данных имеют свойства. Например, строки имеют свойство с именем `.length` , которое сообщит вам, сколько символов в строке.
```
lastNameLength = lastName.length;
```