[Shreyash]: Added code to do unit conversions of some length units

Author: shreyashdj

Selection Practice Problems/Switch Case/UnitConversion.js

@@ -0,0 +1,37 @@
+/*
+    Write a program that takes User Inputs and does Unit Conversion of different Length units"
+    1. Feet to Inch      3. Inch to Feet
+    2. Feet to Meter     4. Meter to Feet
+*/
+
+const prompt = require("prompt-sync")();
+
+console.log("\n 1) Feet to Inch     2) Feet to Meter \n 3) Inch to Feet     4) Meter to Feet");
+
+let option = parseInt(prompt(" Choose above no. to select conversion : "));
+
+switch (option) {
+    case 1:
+        console.log("\n 1 feet = 12 inch")
+        var feet = parseFloat(prompt(" Enter Feet : "));
+        console.log(" " + feet + " feet = " + (feet * 12).toFixed(4) + " inch \n")
+        break;
+    case 2:
+        console.log("\n 1 feet = 0.3048 meter")
+        var feet = parseFloat(prompt(" Enter Feet : "));
+        console.log(" " + feet + " feet = " + (feet * 0.3048).toFixed(4) + " meter \n")
+        break;
+    case 3:
+        console.log("\n 1 feet = 12 inch")
+        var inch = parseFloat(prompt(" Enter Inch : "));
+        console.log(" " + inch + " inch = " + (inch / 12).toFixed(4) + " feet \n")
+        break;
+    case 4:
+        console.log("\n 1 feet = 0.3048 meter")
+        var meter = parseFloat(prompt(" Enter Meter : "));
+        console.log(" " + meter + " meter = " + (meter / 0.3048).toFixed(4) + " feet \n")
+        break;
+    default:
+        console.log("\n Invalid Input \n")
+        break;
+}