BMICalculate
JavaScript
var markMass = 80; // kg
var johnMass = 90; // kg
var markHeight = 1.8; //meter
var johnHeight = 1.9; //meter
var markBmi = markMass / (markHeight * markHeight);
var johnBmi = johnMass / (johnHeight * johnHeight);
if (markBmi > johnBmi){
console.log('Mark\'s BMI is heigher than John BMI')
} else {
console.log('John\'s BMI is heigher than Mark BMI')
}