JavaScript program to calculate triangle area

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Following program shows you how to calculate triangle area.
This program gets triangle base and height from user and calculates area and prints it using following formula
Area = base X height / 2

var triangleBase = parseInt(prompt("Enter the base of triangle:"));
var triangleHeight = parseInt(prompt("Enter the height of triangle:"));
var areaOfTriangle = (triangleBase * triangleHeight) / 2;
console.log("Area of triangle is: " + areaOfTriangle);

Output:

Enter the base of triangle:
2
Enter the height of triangle:
3
Area of triangle is: 3.0
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