hk

Author: sagarrepogit

test.js

@@ -0,0 +1,50 @@
+const redius =[3,1,2,4];
+/*this is the code for the calculating the area
+of the circle now logic is */
+const calculateArea= function(redius){
+    const output=[];
+    for(let i=0;i<redius.length;i++){
+        output.push(Math.PI*redius[i]*redius[i]);
+    }
+    return output;
+};
+console.log(calculateArea(redius));
+/* now if we want to calculate the perimeter
+of the circle then we will have to do another 
+same kind of the logic */
+const calculateperimeter=function(redius){
+    const output=[];
+    for(let i=0;i<redius.length;i++){
+        output.push(Math.PI*2*redius[i]);
+    }
+    return output;
+}
+console.log(calculateperimeter(redius));
+// /* there is one thing that we might have
+// noticed and that is that we are repeating 
+// the code again and again due to that this is
+// not an efficient way of running the code
+// and wiht the help of the higher order function
+// we can basically reduce the code lenght drastically
+// by passing the logic and the fucntion 
+// in the code*/
+
+// // repeating code now
+const repeat=function(redius,logic){
+    const output=[];
+    for(let i=0;i<redius.length;i++){
+        output.push(logic(redius[i]));
+    } return output;
+}
+//logic for the area 
+const area=function(red){
+    return Math.PI*red*red;
+
+};
+console.log(repeat(redius,area));
+/* now this is the way to do the higher
+order function and by doing that we are able to 
+minimize the code that is written and 
+we are making a fucntion get accept a funciton 
+and we are able to pass a funcion in a funciotn
+this is what a higher order fucniton is like*/