diff --git a/task-05.js b/task-05.js
new file mode 100644
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+++ b/task-05.js
@@ -0,0 +1,7 @@
+/**
+ * Created by trungquandev.com's author on Nov 07 2023
+ * YouTube: https://youtube.com/@trungquandev
+ * "A bit of fragrance clings to the hand that gives flowers!"
+ */
+
+// Done =))
diff --git a/task-06.js b/task-06.js
new file mode 100644
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+++ b/task-06.js
@@ -0,0 +1,7 @@
+/**
+ * Created by trungquandev.com's author on Nov 07 2023
+ * YouTube: https://youtube.com/@trungquandev
+ * "A bit of fragrance clings to the hand that gives flowers!"
+ */
+
+// Done =))
diff --git a/task-07.js b/task-07.js
new file mode 100644
index 0000000..d2ad5c6
--- /dev/null
+++ b/task-07.js
@@ -0,0 +1,8 @@
+/**
+ * Created by trungquandev.com's author on Nov 07 2023
+ * YouTube: https://youtube.com/@trungquandev
+ * "A bit of fragrance clings to the hand that gives flowers!"
+ */
+
+// Done =))
+/// quandtdemo cherry pick
diff --git a/task-08.js b/task-08.js
new file mode 100644
index 0000000..dab7c4b
--- /dev/null
+++ b/task-08.js
@@ -0,0 +1,7 @@
+/**
+ * Created by trungquandev.com's author on Nov 07 2023
+ * YouTube: https://youtube.com/@trungquandev
+ * "A bit of fragrance clings to the hand that gives flowers!"
+ */
+
+// Done =))
diff --git a/task-11.js b/task-11.js
new file mode 100644
index 0000000..dab7c4b
--- /dev/null
+++ b/task-11.js
@@ -0,0 +1,7 @@
+/**
+ * Created by trungquandev.com's author on Nov 07 2023
+ * YouTube: https://youtube.com/@trungquandev
+ * "A bit of fragrance clings to the hand that gives flowers!"
+ */
+
+// Done =))
diff --git a/task-12.js b/task-12.js
new file mode 100644
index 0000000..dab7c4b
--- /dev/null
+++ b/task-12.js
@@ -0,0 +1,7 @@
+/**
+ * Created by trungquandev.com's author on Nov 07 2023
+ * YouTube: https://youtube.com/@trungquandev
+ * "A bit of fragrance clings to the hand that gives flowers!"
+ */
+
+// Done =))
diff --git a/task-13.js b/task-13.js
new file mode 100644
index 0000000..dab7c4b
--- /dev/null
+++ b/task-13.js
@@ -0,0 +1,7 @@
+/**
+ * Created by trungquandev.com's author on Nov 07 2023
+ * YouTube: https://youtube.com/@trungquandev
+ * "A bit of fragrance clings to the hand that gives flowers!"
+ */
+
+// Done =))
diff --git a/task-14.js b/task-14.js
new file mode 100644
index 0000000..dab7c4b
--- /dev/null
+++ b/task-14.js
@@ -0,0 +1,7 @@
+/**
+ * Created by trungquandev.com's author on Nov 07 2023
+ * YouTube: https://youtube.com/@trungquandev
+ * "A bit of fragrance clings to the hand that gives flowers!"
+ */
+
+// Done =))
diff --git a/task-15.js b/task-15.js
new file mode 100644
index 0000000..dab7c4b
--- /dev/null
+++ b/task-15.js
@@ -0,0 +1,7 @@
+/**
+ * Created by trungquandev.com's author on Nov 07 2023
+ * YouTube: https://youtube.com/@trungquandev
+ * "A bit of fragrance clings to the hand that gives flowers!"
+ */
+
+// Done =))
diff --git a/task-19.js b/task-19.js
new file mode 100644
index 0000000..06a9706
--- /dev/null
+++ b/task-19.js
@@ -0,0 +1,3 @@
+/**
+ * Completed task 19
+ */
diff --git a/task-20.js b/task-20.js
new file mode 100644
index 0000000..1240cd8
--- /dev/null
+++ b/task-20.js
@@ -0,0 +1,3 @@
+/**
+ * Completed task 20
+ */
diff --git a/task-21.js b/task-21.js
new file mode 100644
index 0000000..f1da502
--- /dev/null
+++ b/task-21.js
@@ -0,0 +1,5 @@
+/**
+ * Completed task 19
+ */
+
+// Task 23 conflict
diff --git a/task-23.js b/task-23.js
new file mode 100644
index 0000000..8cb2337
--- /dev/null
+++ b/task-23.js
@@ -0,0 +1,3 @@
+/**
+ * Completed task 23
+ */