diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..ac1e8f7
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,3 @@
+node_modules
+*.log
+.DS_Store
diff --git a/JavaScript/2-ternary-if.js b/JavaScript/2-ternary-if.js
new file mode 100644
index 0000000..8a9e749
--- /dev/null
+++ b/JavaScript/2-ternary-if.js
@@ -0,0 +1,23 @@
+'use strict';
+
+// Syntax:
+// condition ? true-statement : false-statement;
+
+const name1 = 'Ryu';
+const name2 = 'Lef';
+
+const log = name1 === name2 ? 'It\'s true' : 'It\'s false';
+// The same as:
+// 
+// if (name1 === name2) {
+//   log = 'It\'s true';
+// } else {
+//   log = 'It\'s false';
+// }
+console.log(log);
+
+// a, b - random numbers
+const a = Math.round(Math.random() * 10);
+const b = Math.round(Math.random() * 10);
+
+(a < b || a === b) ? console.log('a < b or a = b') : console.log('a > b');
diff --git a/JavaScript/5-if-else.js b/JavaScript/5-if-else.js
new file mode 100644
index 0000000..893af03
--- /dev/null
+++ b/JavaScript/5-if-else.js
@@ -0,0 +1,34 @@
+'use strict';
+
+const condition1 = 5 < 3; // Boolean false
+const condition2 = 5 > 3; // Boolean true
+const name = 'Ryu'; // String
+
+// Good syntax
+if (condition1) {
+  console.log('5 < 3');
+}
+// Good syntax
+condition2 ? console.log('5 > 3') : console.log(false);
+// Good syntax
+if (name) console.log('name exists');
+
+// name = 'Ryu'
+if (name === 'Lef') { //false
+  console.log('User\'s name is Lef');
+} else {
+  console.log('User\'s name is ' + name);
+}
+
+// a, b - random numbers
+const a = Math.round(Math.random() * 10);
+const b = Math.round(Math.random() * 10);
+let result;
+if (a > b) {
+  result = 'a > b';
+} else if (a === b) {
+  result = 'a = b';
+} else {
+  result = 'a < b';
+}
+console.log(result);