Variable Declarations with let and const
Learn about the behavior of "var", "let", and "const" and the differences between them.
We'll cover the following
For many years, we could only use var
to declare a variable in JavaScript. Since 2015 however, JavaScript has gained two new keywords that we can use to declare variables: let
and const
. Using var
for variable declarations has become somewhat superfluous and in almost all cases, let
and const
are better choices. But what is the difference?
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