Javascript calculates the area of the circle Based on the given radius and the area of the javascript circle.

Javascript calculates the area of the circle Based on the given radius and the area of the javascript circle.

The code is quite simple. There is not much nonsense here. Please refer to it for your reference.

<Script> var circularityArea = new Function ("r", "return r * Math. PI "); // create a function object var rCircle = 2; // specify the circular radius var area = circularityArea (rCircle); alert (" the circular area with a radius of 2 is: "+ area); </script>

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