diff --git a/0x12-javascript-warm_up/1-multi_languages.js b/0x12-javascript-warm_up/1-multi_languages.js
index 2d57ca7..7aaad83 100755
--- a/0x12-javascript-warm_up/1-multi_languages.js
+++ b/0x12-javascript-warm_up/1-multi_languages.js
@@ -1,4 +1,4 @@
 #!/usr/bin/node
-console.log('C is fun');
-console.log('Python is cool');
-console.log('Javascript is amazing');
+console.log("C is fun");
+console.log("Python is cool");
+console.log("Javascript is amazing");
diff --git a/0x12-javascript-warm_up/10-factorial.js b/0x12-javascript-warm_up/10-factorial.js
index 6408601..e199266 100755
--- a/0x12-javascript-warm_up/10-factorial.js
+++ b/0x12-javascript-warm_up/10-factorial.js
@@ -1,21 +1,21 @@
 #!/usr/bin/node
 const args = process.argv.slice(2);
-function factorial(n) {
-    if (isNaN(n)) {
-        return 1;
-    }
-    n = parseInt(n, 10);
+function factorial (n) {
+  if (isNaN(n)) {
+    return 1;
+  }
+  n = parseInt(n, 10);
 
-    if (n === 0 || n === 1) {
-        return 1;
-    } else {
-        return n * factorial(n - 1);
-    }
+  if (n === 0 || n === 1) {
+    return 1;
+  } else {
+    return n * factorial(n - 1);
+  }
 }
 const input = args[0];
 const result = factorial(input);
 if (!isNaN(result) && isFinite(result)) {
-    console.log(result);
+  console.log(result);
 } else {
-    console.log("Infinity");
-}
\ No newline at end of file
+  console.log('Infinity');
+}
diff --git a/0x12-javascript-warm_up/101-call_me_moby.js b/0x12-javascript-warm_up/101-call_me_moby.js
index fafc1a5..73f8f03 100755
--- a/0x12-javascript-warm_up/101-call_me_moby.js
+++ b/0x12-javascript-warm_up/101-call_me_moby.js
@@ -1,8 +1,8 @@
 #!/usr/bin/node
 
-function callMeMoby(x, theFunction) {
-for (let i = 0; i < x ; i++) {
+function callMeMoby (x, theFunction) {
+  for (let i = 0; i < x; i++) {
     theFunction();
- }
+  }
 }
 module.exports.callMeMoby = callMeMoby;
diff --git a/0x12-javascript-warm_up/102-add_me_maybe.js b/0x12-javascript-warm_up/102-add_me_maybe.js
index 06796d7..c66e349 100755
--- a/0x12-javascript-warm_up/102-add_me_maybe.js
+++ b/0x12-javascript-warm_up/102-add_me_maybe.js
@@ -1,6 +1,6 @@
 #!/usr/bin/node
 
-function addMeMaybe(number, theFunction) {
-    theFunction(number+1);
+function addMeMaybe (number, theFunction) {
+  theFunction(number + 1);
 }
-module.exports.addMeMaybe = addMeMaybe;
\ No newline at end of file
+module.exports.addMeMaybe = addMeMaybe;
diff --git a/0x12-javascript-warm_up/103-object_fct.js b/0x12-javascript-warm_up/103-object_fct.js
index d2fd82b..cd25404 100755
--- a/0x12-javascript-warm_up/103-object_fct.js
+++ b/0x12-javascript-warm_up/103-object_fct.js
@@ -1,15 +1,15 @@
 #!/usr/bin/node
 const myObject = {
-    type: 'object',
-    value: 12
-  };
-  console.log(myObject);
-  myObject.incr = function () {
-    myObject.value += 1;
-  }
-  myObject.incr();
-  console.log(myObject);
-  myObject.incr();
-  console.log(myObject);
-  myObject.incr();
-  console.log(myObject);
\ No newline at end of file
+  type: 'object',
+  value: 12
+};
+console.log(myObject);
+myObject.incr = function () {
+  myObject.value += 1;
+};
+myObject.incr();
+console.log(myObject);
+myObject.incr();
+console.log(myObject);
+myObject.incr();
+console.log(myObject);
diff --git a/0x12-javascript-warm_up/3-value_argument.js b/0x12-javascript-warm_up/3-value_argument.js
index ad39ba1..59d5ee8 100755
--- a/0x12-javascript-warm_up/3-value_argument.js
+++ b/0x12-javascript-warm_up/3-value_argument.js
@@ -1,8 +1,8 @@
 #!/usr/bin/node
 
-const args = process.argv.slice(2);
-if (args.length === 0) {
+const args = process.argv;
+if (!args[2]) {
   console.log('No Argument');
 } else {
-  console.log(args[0]);
+  console.log(args[2]);
 }
diff --git a/0x12-javascript-warm_up/6-multi_languages_loop.js b/0x12-javascript-warm_up/6-multi_languages_loop.js
index 8b04022..972d485 100755
--- a/0x12-javascript-warm_up/6-multi_languages_loop.js
+++ b/0x12-javascript-warm_up/6-multi_languages_loop.js
@@ -1,4 +1,4 @@
 #!/usr/bin/node
 
 const array = ['C is fun', 'Python is cool', 'JavaScript is amazing'];
-for (i = 0; i < array.length; i++) { console.log(array[i]); }
+for (let i = 0; i < array.length; i++) { console.log(array[i]); }
diff --git a/0x12-javascript-warm_up/8-square.js b/0x12-javascript-warm_up/8-square.js
index 854e067..443e429 100755
--- a/0x12-javascript-warm_up/8-square.js
+++ b/0x12-javascript-warm_up/8-square.js
@@ -2,15 +2,14 @@
 
 const args = process.argv.slice(2);
 const size = parseInt(args[0], 10);
-if(args.length === 0 || !Number.isInteger(size) || Number.isNaN(size)){
-	console.log('Missing size');
-} else{
-	for(let i = 0; i < size ; i++){
-		let row = "";
-		for(let j = 0; j < size; j++){
-			row += "X";
-		}
-		console.log(row);
-	}
+if (args.length === 0 || !Number.isInteger(size) || Number.isNaN(size)) {
+  console.log('Missing size');
+} else {
+  for (let i = 0; i < size; i++) {
+    let row = '';
+    for (let j = 0; j < size; j++) {
+      row += 'X';
+    }
+    console.log(row);
+  }
 }
-