diff --git a/Week1/Js-exercises/1-hello-world.js b/Week1/Js-exercises/1-hello-world.js
new file mode 100644
index 000000000..fb44b13fc
--- /dev/null
+++ b/Week1/Js-exercises/1-hello-world.js
@@ -0,0 +1,14 @@
+
+"use strict";
+console.log("Hello World");
+console.log("ãÑÍÈÇ ÈÇáÚÇáã");
+console.log("Hallo Wereld");
+console.log("Merhaba Dünya");
+console.log("Silav Dunya")
+console.log("Halo Dunia");
+console.log("Hola Mundo");
+console.log("Ciao Mundo");
+console.log("Hei Verden");
+console.log("Dia duit ar domhan");
+console.log("Hallo wrâld");
+console.log("Bonjou mond lan");
\ No newline at end of file
diff --git a/Week1/Js-exercises/10-compare-arrays.js b/Week1/Js-exercises/10-compare-arrays.js
new file mode 100644
index 000000000..0adfe88e2
--- /dev/null
+++ b/Week1/Js-exercises/10-compare-arrays.js
@@ -0,0 +1,13 @@
+
+"use strict";
+const arr1 = ["Spring" , "Summer" , "Autumn" , "Winter"];
+const arr2 = ["Saturday","Sunday","Monday","Tuesday","Wednesday","Thursday","Friday"];
+
+console.log("The first array's length is " + arr1.length);
+console.log("The second array's length is " + arr2.length);
+
+if(arr1.length === arr2.length){
+    console.log("They are the same!");
+}else {
+    console.log("Two different sizes");
+}
\ No newline at end of file
diff --git a/Week1/Js-exercises/2-error-debugging.js b/Week1/Js-exercises/2-error-debugging.js
new file mode 100644
index 000000000..29cecbbd3
--- /dev/null
+++ b/Week1/Js-exercises/2-error-debugging.js
@@ -0,0 +1,4 @@
+"use strict";
+/* console.log('I'm awesome'); will not work because we need to escape the single quotation 
+mark we need to use \ character. */
+console.log('I\'m awesome');  //will work fine.
\ No newline at end of file
diff --git a/Week1/Js-exercises/3-log-the-number.js b/Week1/Js-exercises/3-log-the-number.js
new file mode 100644
index 000000000..642dde0a6
--- /dev/null
+++ b/Week1/Js-exercises/3-log-the-number.js
@@ -0,0 +1,7 @@
+"use strict";
+let numberX;
+console.log("I think x is undefined");
+console.log(x);
+x = 84;
+console.log("now x should be 84");
+console.log(x);
diff --git a/Week1/Js-exercises/4-log-the-string.js b/Week1/Js-exercises/4-log-the-string.js
new file mode 100644
index 000000000..b3d2f9ebc
--- /dev/null
+++ b/Week1/Js-exercises/4-log-the-string.js
@@ -0,0 +1,8 @@
+"use strict";
+let myString;
+myString = "Muhammad Hussein";
+console.log("The value of the string will be my name as I wrote it.");
+console.log(myString);
+myString = "Muhammad"
+console.log("my first name will be the result.");
+console.log(myString);
diff --git a/Week1/Js-exercises/5-round-a-number.js b/Week1/Js-exercises/5-round-a-number.js
new file mode 100644
index 000000000..86f4d0ea1
--- /dev/null
+++ b/Week1/Js-exercises/5-round-a-number.js
@@ -0,0 +1,19 @@
+"use strict";
+let z;
+z = 7.25;
+console.log(z);
+
+let a;
+a = Math.round(z);
+console.log(a);
+
+
+let newVariable;
+
+if(z > a){
+    newVariable = z;
+}else {
+    newVariable = a;
+};
+
+console.log(newVariable);
\ No newline at end of file
diff --git a/Week1/Js-exercises/6-array-of-animals.js b/Week1/Js-exercises/6-array-of-animals.js
new file mode 100644
index 000000000..ff8413b5d
--- /dev/null
+++ b/Week1/Js-exercises/6-array-of-animals.js
@@ -0,0 +1,8 @@
+"use strict";
+const animalsArr;
+console.log("I think the value will be undefined");
+console.log(animalsArr);
+const favoriteAnimals = ["Hamsters", "Cats", "Dogs",];
+console.log(favoriteAnimals);
+favoriteAnimals.push("Horses");
+console.log(favoriteAnimals);
diff --git a/Week1/Js-exercises/7-length-of-a-string.js b/Week1/Js-exercises/7-length-of-a-string.js
new file mode 100644
index 000000000..8b06011e9
--- /dev/null
+++ b/Week1/Js-exercises/7-length-of-a-string.js
@@ -0,0 +1,4 @@
+
+"use strict";
+const mySentence = "Programming is so interesting!";
+console.log(mySentence.length);
diff --git a/Week1/Js-exercises/8-type-checker.js b/Week1/Js-exercises/8-type-checker.js
new file mode 100644
index 000000000..54bad6823
--- /dev/null
+++ b/Week1/Js-exercises/8-type-checker.js
@@ -0,0 +1,62 @@
+
+"use strict";
+const var1 = "customers";
+const var2 = "suppliers";
+const var3 = {storeName:"mainStore",storeId:001};
+const var4 = {itemName:"laptop",itemId:0200};
+
+
+console.log(typeof var1);
+console.log(typeof var3);
+
+if (typeof var1 === typeof var2){
+    console.log("These two variables have the same type");
+
+}else {
+    console.log("They are not the same type");
+};
+
+if (typeof var1 === typeof var3){
+    console.log("These two variables have the same type");
+
+}else {
+    console.log("They are not the same type");
+};
+
+if (typeof var1 === typeof var4){
+    console.log("These two variables have the same type");
+
+}else {
+    console.log("They are not the same type");
+};
+
+if (typeof var2 === typeof var3){
+    console.log("These two variables have the same type");
+
+}else {
+    console.log("They are not the same type");
+};
+
+if (typeof var2 === typeof var4){
+    console.log("These two variables have the same type");
+
+}else {
+    console.log("They are not the same type");
+};
+
+if (typeof var3 === typeof var4){
+    console.log("These two variables have the same type");
+ 
+}else {
+    console.log("They are not the same type");
+};
+
+if (typeof var1 !== typeof var3){
+    console.log("They are not the same type");
+};
+
+if (typeof var1 !== typeof var2){
+    console.log("They are not the same type");
+}else {
+    console.log("These two variables have the same type")
+};
diff --git a/Week1/Js-exercises/9-log-the-remainder.js b/Week1/Js-exercises/9-log-the-remainder.js
new file mode 100644
index 000000000..0a1731173
--- /dev/null
+++ b/Week1/Js-exercises/9-log-the-remainder.js
@@ -0,0 +1,11 @@
+
+let x = 7;
+x = x % 3 ; // the new value of x will be 1 as it's remainder when it's divided by three is 1.
+console.log(x); // we will see it is 1.
+
+let y = 21; // the new value of y will be 1 . 
+let z = 13; // the new value of z will be 1 . 
+
+console.log(y); 
+                  
+console.log(z);