freeCodeCamp Challenge Guide: Find the Length of a String

freeCodeCamp Challenge Guide: Find the Length of a String
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#1

You can find the length of a String value by writing .length after the string variable or string literal.

"Alan Peter".length; // 10

For example, if we created a variable var firstName = "Charles", we could find out how long the string “Charles” is by using the firstName.length property.
So the solution is :-
lastName = lastName.length:


#2

solution:
lastNameLength = lastName.length;


#3