If / else statements

script.js

@@ -72,7 +72,7 @@ console.log(typeof x);
 /*****************************
 * Operator precedence
 */
-
+/*
 var now = 2018;
 var yearJohn = 1989;
 var fullAge = 18;
@@ -94,4 +94,35 @@ console.log(x);
 x += 10;
 console.log(x);
 x--;
-console.log(x);
+console.log(x);
\ No newline at end of file
+*/
+
+
+/*****************************
+* If / else statements
+*/
+
+var firstName = 'John';
+var civilStatus = 'single';
+if (civilStatus === 'married') {
+    console.log(firstName + ' is married!');
+} else {
+    console.log(firstName + ' will hopefully marry soon :)');
+}
+var isMarried = true;
+if (isMarried) {
+    console.log(firstName + ' is married!');
+} else {
+    console.log(firstName + ' will hopefully marry soon :)');
+}
+var massMark = 78; // kg
+var heightMark = 1.69; // meters
+var massJohn = 92;
+var heightJohn = 1.95;
+var BMIMark = massMark / (heightMark * heightMark);
+var BMIJohn = massJohn / (heightJohn * heightJohn);
+if (BMIMark > BMIJohn) {
+    console.log('Mark\'s BMI is higher than John\'s.');
+} else {
+    console.log('John\'s BMI is higher than Marks\'s.');
+}