Add. Comments to whole test file

test.js

@@ -1,57 +1,79 @@
 const millionTimes = 1_000_000;
+const arrayWithMillionZeros = Array(millionTimes).fill(0);
 
+// Traditional while loop
 console.time('Traditional while loop time');
 let iterator = 0;
 while (iterator < millionTimes) {
     iterator++;
 }
 console.timeEnd('Traditional while loop time');
 
+
+// Traditional do-while loop
 console.time('Traditional do-while loop time');
 let index = 0;
 do {
     index++;
 } while (index < millionTimes);
 console.timeEnd('Traditional do-while loop time');
 
+
+// Traditional for loop
 console.time('Traditional for loop time');
 for (let index = 0; index < millionTimes; index++) {}
 console.timeEnd('Traditional for loop time');
 
-const arrayWithMillionZeros = Array(millionTimes).fill(0);
 
+// For of loop
 console.time('For of loop time');
 for (let value of arrayWithMillionZeros) {}
 console.timeEnd('For of loop time');
 
+
+// For in loop
 console.time('For in loop time');
 for (let value in arrayWithMillionZeros) {}
 console.timeEnd('For in loop time');
 
+
+// Map method
 console.time('Map method time');
 arrayWithMillionZeros.map(() => {});
 console.timeEnd('Map method time');
 
+
+// Filter method
 console.time('Filter method time');
 arrayWithMillionZeros.filter(() => {});
 console.timeEnd('Filter method time');
 
+
+// Reduce method
 console.time('Reduce method time');
 arrayWithMillionZeros.reduce(() => {});
 console.timeEnd('Reduce method time');
 
+
+// Sort method
 console.time('Sort method time');
 arrayWithMillionZeros.sort(() => {});
 console.timeEnd('Sort method time');
 
+
+// Every method
 console.time('Every method time');
 arrayWithMillionZeros.every(value => value == 0);
 console.timeEnd('Every method time');
 
+
+// Some method
 console.time('Some method time');
 arrayWithMillionZeros.some(() => {});
 console.timeEnd('Some method time');
 
+
+// Chaining methods
 console.time('Chaining methods time');
 arrayWithMillionZeros.map(() => {})
                      .filter(() => {})