Data Types and Var_triangleArea

//--------------------------------------------
//Write a function that calculates a triangle’s area by its 3 sides.
//The input comes as three number arguments, representing one side of a triangle.
//The output should be printed to the console.
//--------------------------------------------

function triangleArea(sideA, sideB, sideC) {

    let a = sideA
    let b = sideB
    let c = sideC

    let s = (a + b + c) / 2
    let area = Math.sqrt(s * (s-a) * (s-b) * (s-c))

    console.log(area)

}