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Daniel Schroeder 2019-09-07 13:22:20 -05:00 • committed by GitHub
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1-js/04-object-basics/04-object-methods/article.md
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@ -226,7 +226,7 @@ Usually such call is a programming error. If there's `this` inside a function, i
```smart header="The consequences of unbound `this`"
If you come from another programming language, then you are probably used to the idea of a "bound `this`", where methods defined in an object always have `this` referencing that object.
In JavaScript `this` is "free", its value is evaluated at call-time and does not depend on where the method was declared, but rather on what's the object "before the dot".
In JavaScript `this` is "free", its value is evaluated at call-time and does not depend on where the method was declared, but rather on what object is "before the dot".
The concept of run-time evaluated `this` has both pluses and minuses. On the one hand, a function can be reused for different objects. On the other hand, greater flexibility opens a place for mistakes.