extra-function-drills.md

Extra function drills

For each of the problems below, write your function and console.log to check your work. While it is good to console.log to help debug, console.logs should not be in the completed function, unless otherwise explicitly stated.

• Write a function named identity that defines one parameter and returns the argument it was called with.

• Write a function named isOdd that accepts a number and returns true if the passed number is odd, otherwise false

• Write a function named isEven that accepts a number and returns true if the passed number is even, false otherwise

• Write a function named isPositive that returns true if the passed number is greater than 0

• Write a function named decrement that accepts a number and returns the number minus 1

• Write a function named hasSpaces that accepts a string and returns true if the string contains any space characters

• Write a function named isFive that accepts a number and returns true if the number is equal to 5

• Write a function named square that accepts a number and returns the number times itself

• Write a function named cube that accepts a number and returns the number times itself times itself

• Write a function named half that accepts a number and returns the number halved

• Write a function named double that accepts a number and returns the number doubled

• Write a function named isValidPassword that accepts a string and returns a boolean value based on the rules from the working with data types exercise

• A triangle with sides a, b, and c is a right triangle iff a squared plus b squared is equal to c squared. Write a function named isRightTriangle with parameters a, b, and c that will be numbers, and that tells if the passed sides can make a right triangle (returns a boolean).