First init

_small_exercices/calculate_weight.js

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+// Write your function here:
+
+function calculateWeight(earthWeight, planet) {
+  if (!Number.isInteger(earthWeight)) {
+    return("Please enter an integer for weight.");
+  }
+  if (typeof planet !== "string") {
+    return("Please enter a string for planet.");
+  }
+
+  switch (planet) {
+    case "Mercury" :
+      return earthWeight * 0.378;
+    case "Venus" :
+      return earthWeight * 0.907;
+    case "Mars" :
+      return earthWeight * 0.377;
+    case "Jupiter" :
+      return earthWeight * 2.36;
+    case "Saturn" :
+      return earthWeight * 0.916;
+    default :
+      return("Invalid Planet Entry. Try: Mercury, Venus, Mars, Jupiter, or Saturn.");
+  }
+}
+
+console.log(calculateWeight(100, "Camembert"));
+
+
+
+
+
+// Uncomment the line below when you're ready to try out your function
+// console.log(calculateWeight(100, 'Jupiter')) // Should print 236
+
+// We encourage you to add more function calls of your own to test your code!