some fixes

01_Day_Introduction/01_day_starter/index.html

@@ -11,7 +11,7 @@
 	<button onclick="alert('Welcome to 30DaysOfJavaScript!');">Click Me</button>
 	<script src="./helloworld.js"></script>
 	<script src="./introduction.js"></script>
-	<script src="./varaible.js"></script>
+	<script src="./variable.js"></script>
 	<script src="./main.js"></script>
 
 </body>

02_Day_Data_types/02_day_data_types.md

@@ -876,7 +876,7 @@ console.log(numFloat) // 9.81
 let num = '9.81'
 let numFloat = +num
 
-console.log(numInt) // 9.81
+console.log(numFloat) // 9.81
 ```
 
 #### Float to Int

03_Day_Booleans_operators_date/03_booleans_operators_date.md

@@ -254,7 +254,7 @@ let isMarried = !false                // true
 
 ### Increment Operator
 
-In JavaScrip we use the increment operator to increase a value stored in a variable. The increment could be pre or post increment. Let us see each of them:
+In JavaScript we use the increment operator to increase a value stored in a variable. The increment could be pre or post increment. Let us see each of them:
 
 1. Pre-increment
 
@@ -276,7 +276,7 @@ We use most of the time post-increment. At least you should remember how to use
 
 ### Decrement Operator
 
-In JavaScrip we use the decrement operator to decrease a value stored in a variable. The decrement could be pre or post decrement. Let us see each of them:
+In JavaScript we use the decrement operator to decrease a value stored in a variable. The decrement could be pre or post decrement. Let us see each of them:
 
 1. Pre-decrement
 

04_Day_Conditionals/04_day_conditionals.md

@@ -21,7 +21,7 @@
 	- [Conditionals](#conditionals)
 		- [If](#if)
 		- [If Else](#if-else)
-    - [If  Else if Else](#if-else-if-else)
+		- [If  Else if Else](#if--else-if-else)
 		- [Switch](#switch)
 		- [Ternary Operators](#ternary-operators)
 	- [💻 Exercises](#-exercises)
@@ -190,6 +190,7 @@ switch(caseValue){
    break
   case 3:
    // code
+   break
   default:
    // code
 }

09_Day_Higher_order_functions/09_day_higher_order_functions.md

@@ -390,7 +390,7 @@ _every_: Check if all the elements are similar in one aspect. It returns boolean
 const names = ['Asabeneh', 'Mathias', 'Elias', 'Brook']
 const areAllStr = names.every((name) => typeof name === 'string') // Are all strings?
 
-console.log(arrAllStr)
+console.log(areAllStr)
 ```
 
 ```sh

12_Day_Regular_expressions/12_day_regular_expressions.md

@@ -25,7 +25,7 @@
 		- [Creating a pattern with RegExp Constructor](#creating-a-pattern-with-regexp-constructor)
 		- [Creating a pattern without RegExp Constructor](#creating-a-pattern-without-regexp-constructor)
 		- [RegExpp Object Methods](#regexpp-object-methods)
-      - [Testing for  a match](#testing-for-a-match)
+			- [Testing for  a match](#testing-for--a-match)
 			- [Array containing all of the match](#array-containing-all-of-the-match)
 			- [Replacing a substring](#replacing-a-substring)
 		- [Square Bracket](#square-bracket)
@@ -503,22 +503,19 @@ distance = 12
   
   ```js
     sentence = `%I $am@% a %tea@cher%, &and& I lo%#ve %tea@ching%;. There $is nothing; &as& mo@re rewarding as educa@ting &and& @emp%o@wering peo@ple. ;I found tea@ching m%o@re interesting tha@n any other %jo@bs. %Do@es thi%s mo@tivate yo@u to be a tea@cher!?`
-
     console.log(cleanText(sentence))
    ```
 
    ```sh
     I am a teacher and I love teaching There is nothing as more rewarding as educating and empowering people I found teaching more interesting than any other jobs Does this motivate you to be a teacher
     ```
-1. Write a function which find the most frequent words. After cleaning, count three most frequent words in the string.
+2. Write a function which find the most frequent words. After cleaning, count three most frequent words in the string.
 
   ```js
     console.log(mostFrequentWords(cleanedText))
     [{word:'I', count:3}, {word:'teaching', count:2}, {word:'teacher', count:2}]
   ```
 
-
 🎉 CONGRATULATIONS ! 🎉
 
-
 [<< Day 11](../11_Day_Destructuring_and_spreading/11_day_destructuring_and_spreading.md) | [Day 13 >>](../13_Day_Console_object_methods/13_day_console_object_methods.md)

15_Day_Classes/15_day_classes.md

@@ -111,7 +111,7 @@ console.log(person)
 ```
 
 ```sh
-Person {firstName: undefined, lastName}
+Person {firstName: undefined, lastName:undefined}
 ```
 
 All the keys of the object are undefined. When ever we instantiate we should pass the value of the properties. Let us pass value at this time when we instantiate the class.

18_Day_Promises/18_day_promises.md

@@ -147,7 +147,7 @@ Let us another example when the promise is settled with reject.
 const doPromise = new Promise((resolve, reject) => {
   setTimeout(() => {
     const skills = ['HTML', 'CSS', 'JS']
-    if (skills.icludes('Node')) {
+    if (skills.includes('Node')) {
       resolve('fullstack developer')
     } else {
       reject('Something wrong has happened')

21_Day_DOM/21_day_dom.md

@@ -74,7 +74,7 @@ We can access already created element or elements using JavaScript. To access or
 
 #### Getting elements by tag name
 
-**_getElementsByTagName()_**:takes a take name as a string parameter and this method returns an HTMLCollection object. An HTMLCollection is an array like object of HTML elements. The length property provides the size of the collection. Whenever we use this method we access the individual elements using index or after loop through each individual items. An HTMLCollection does not support all array methods therefore we should use regular for loop instead of forEach.
+**_getElementsByTagName()_**:takes a tag name as a string parameter and this method returns an HTMLCollection object. An HTMLCollection is an array like object of HTML elements. The length property provides the size of the collection. Whenever we use this method we access the individual elements using index or after loop through each individual items. An HTMLCollection does not support all array methods therefore we should use regular for loop instead of forEach.
 
 ```js
 // syntax