less than or equal to operator (
<=) compares the values of two numbers. If the number to the left is less than or equal the number to the right, it returns
true. If the number on the left is greater than the number on the right, it returns
false. Like the equality operator,
less than or equal to converts data types.
4 <= 5 // true
'7' <= 7 // true
5 <= 5 // true
3 <= 2 // false
'8' <= 4 // false
less than or equal to operator to the indicated lines so that the return statements make sense.