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JavaScript also uses block scope. When we say block, we are referring to a code block. A code block is contained within curly braces. Information is encapsulated to the curly braces within the block of code. Here is an example… Since the variable name is within the curly braces, or
In JavaScript, scope works a tad differently than normal OO languages. One of the scopes in JavaScript is function scope. What this means is that anything we define within a function is only available to that function and anything nested within that function. Here is an example… This console log
In JavaScript, there are some additional assignment operators that we can use in addition to the normal equal sign. There are several, but the most common are addition/subtraction assignment operators. Here is an example… The output of startYear would be 2021. We could do the same thing with -=. Happy
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