What is operator associativity in JavaScript?
Operator associativity determines the order in which operators of the same precedence are processed in an expression.
Can you give me an example of how it works?
Sure! For example, in the expression a - b + c
, both -
and +
have the same precedence and are left associative, so it's evaluated as `(a - b) + c.
What about right associative operators?
Right associative operators, like the exponentiation operator **
, are evaluated from right to left. For example, 2 ** 3 ** 2
is evaluated as `2 ** (3 ** 2).
Are there any exceptions to this rule?
Yes, some operators like the assignment operators (=
) are right associative, meaning they evaluate from right to left.
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