FIT100
Function Features (cont.)
•Scope of Reference … refers to where in
the program
a variable is “known,” i.e. where its value can be referenced and/or assigned
function
bmiE ( weight, heightIn ) {
// Figure BMI in English
var heightFt = heightIn / 12; // Change to
feet
return 4.89 * weight / (heightFt *
heightFt);
}
function BMI (units, height, weight ) {
// Compute BMI
if (units ==
"English")
return bmiE(weight,
height);
else
return bmiM(weight,
height);
}
Local to function