What is the difference between scope and context in JavaScript?
An example of an AI chatbot conversation about JavaScript scope and context differences.
What is the difference between scope and context in JavaScript?
In JavaScript, scope refers to the visibility of variables, while context refers to the value of 'this' in a function.
Can you give me an example of scope?
Sure! In a function, variables declared inside are not accessible outside, which is called local scope.
And what about context? How does 'this' work?
The value of 'this' depends on how a function is called. In a method, 'this' refers to the object the method is called on.
So, can context change even within the same function?
Yes, it can! For example, if you use 'call' or 'apply', you can set 'this' to a specific object.
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