Lab task HowProgrammingWorks#2, 3

Author: andrewua85

Exercises/2-by-value.js

@@ -1,5 +1,8 @@
 'use strict';
+const inc = x => ++x;
 
-const inc = null;
+const a = 5;
+const b = inc(a);
+console.dir({ a, b });
 
 module.exports = { inc };

Exercises/3-by-reference.js

@@ -1,5 +1,10 @@
 'use strict';
 
-const inc = null;
+const inc = function (obj) {
+  obj.n++;
+};
+const obj = { n: 5 };
+inc(obj);
+console.dir(obj);
 
 module.exports = { inc };