Chore(Solutions): Use const and let not var (#25)

Author: SSmale

src/workspace/js/solutions/task10.js

@@ -1,4 +1,4 @@
-var s = 1;
+let s = 1;
 do {
   if (s % 2 === 0) {
     console.log(s + ' is even.');

src/workspace/js/solutions/task11.js

@@ -1,4 +1,4 @@
-var i = 1;
+let i = 1;
 while (i <= 15) {
   if (i % 3 === 0) {
     i++;

src/workspace/js/solutions/task2.js

@@ -1,2 +1,2 @@
-var str = 18;
+const str = 18;
 console.log(str);

src/workspace/js/solutions/task3.js

@@ -1,2 +1,2 @@
-var str = 'JS is cool!';
+const str = 'JS is cool!';
 console.log(str);

src/workspace/js/solutions/task4.js

@@ -1,8 +1,8 @@
-var str = ' Hey, this is Task 4 of JS Path! ';
+const str = ' Hey, this is Task 4 of JS Path! ';
 console.log(str.length);
 console.log(str.indexOf('Task'));
 console.log(str.slice(24, 26));
-var str1 = str.replace('JS', 'Python');
+let str1 = str.replace('JS', 'Python');
 console.log(str1);
 str1 = str1.concat('!');
 console.log(str1);

src/workspace/js/solutions/task5.js

@@ -1,5 +1,5 @@
-var a = 25;
-var b = 33;
+const a = 25;
+const b = 33;
 console.log(a + b);
 console.log(a - b);
 console.log(a * b);

src/workspace/js/solutions/task6.js

@@ -1,6 +1,7 @@
-var a = 44;
-var b = 29;
-console.log(a === b);
+const a = 44;
+const b = 29;
+// eslint-disable-next-line eqeqeq
+console.log(a == b);
 console.log(a === b);
 console.log(a !== b);
 console.log(a > b);

src/workspace/js/solutions/task7.js

@@ -1,6 +1,6 @@
-var a = 34;
-var b = 23;
-var c = 1;
+const a = 34;
+const b = 23;
+const c = 1;
 console.log(a > b && a < c);
 console.log(a < b || a > c);
 console.log(!(b < a));

src/workspace/js/solutions/task8.js

@@ -1,4 +1,5 @@
-var i = 1;
-for (i = 1; i <= 12; i++) {
-  if (i % 4 === 0) console.log(i);
+for (let i = 1; i <= 12; i++) {
+  if (i % 4 === 0) {
+    console.log(i);
+  }
 }

src/workspace/js/solutions/task9.js

@@ -1,4 +1,4 @@
-var x = 1;
+let x = 1;
 while (x <= 50) {
   if (x % 5 === 0) {
     console.log('Buzz');