Adding module #7, removing extra img, fixing spelling errors

Author: CsarGomez

01_basics.md

@@ -1,8 +1,11 @@
 <a name="basics.md"></a>
+
 # **Module #1 - The Basics**
+
 ---
 
 <a name="loading"></a>
+
 ## **LOADING AND RUNNING JAVASCRIPT**
 
 add `<script>` tag just before the `</body>` tag.
@@ -17,6 +20,7 @@ add `<script>` tag just before the `</body>` tag.
 <br>
 
 <a name="variables"></a>
+
 ## **VARIABLES**
 
 - **var** (_value can be updated_)
@@ -30,11 +34,14 @@ const cool = true;
 ```
 
 <a name="typpeOfVariables"></a>
+
 ## **TYPE OF VARIABLES:**
 
 <a name="strings"></a>
-- ### String: 
-  represent letter, pharagraphs, phases, etc. Can be declared with quotes, double-quotes or back ticks.
+
+- ### String:
+
+  represent letter, paragraphs, phases, etc. Can be declared with quotes, double-quotes or back ticks.
 
   ```js
   const name = "Wes";
@@ -43,51 +50,60 @@ const cool = true;
   ```
 
   sentence  
-  with "\ esc", quotes, single quotes and backtip option:  
+  with "\ esc", quotes, single quotes and backtick option:  
   sentence = She´s so "cool"
 
   ```js
   const sentence = 'she´s so "cool"';
-  const sentence = "she´s so \"cool\"";
+  const sentence = 'she´s so "cool"';
   const sentence = `She's so "cool"`;
   ```
-  contatenation & interpolation  
+
+  concatenation & interpolation
+
   ```js
-  const hello = `hello my name is ${variable_name} nice yo meet you. I'm ${30 + 5} years old` 
+  const hello = `hello my name is ${variable_name} nice yo meet you. I'm ${
+    30 + 5
+  } years old`;
   ```
 
 <a name="numbers"></a>
-- ### Numbers:  
+
+- ### Numbers:
+
   Numbers on Javascript includes float, integers, etc ...  
-  there are all the basic operation (addition, substraction, multiplication and division).
+  there are all the basic operation (addition, subtraction, multiplication and division).
 
   ```js
-  let a = 10 + 10 // addition
-  let b = 20 - 10 // subtraction
-  let c = 10 * 10 // multiplication
-  let d = 100 / 10 // division
-  let e = 1000 % 3 // modulo
+  let a = 10 + 10; // addition
+  let b = 20 - 10; // subtraction
+  let c = 10 * 10; // multiplication
+  let d = 100 / 10; // division
+  let e = 1000 % 3; // modulo
   ```
-  Javascript have helper methods like:  
-  
+
+  Javascript have helper methods like:
+
   ```js
-  Math.round(20.5) //result 21, round number up or down
-  Math.floor(20.2) //result 20, will give you the lower
-  Math.ciel(20.9) // result 21, will give you the upper
-  Math.random() // gives random number between 0 and 1
+  Math.round(20.5); //result 21, round number up or down
+  Math.floor(20.2); //result 20, will give you the lower
+  Math.ceil(20.9); // result 21, will give you the upper
+  Math.random(); // gives random number between 0 and 1
   ```
 
   NaN is an other number, that means _Not a number_
-  
+
   ```js
-  let a = 10 / 'dog';
-  console.log(a)
+  let a = 10 / "dog";
+  console.log(a);
 
   // result: NaN
   ```
 
-<a name="objects"></a> 
-- ### Objects 
+<a name="objects"></a>
+
+- ### Objects
+
   Everything in javascript is an object, are use for collections of data or functionality.
 
   ```js
@@ -97,32 +113,37 @@ const cool = true;
     age = '35'
   };
   ```
+
   order doesn't matter in objects, we can access to the properties, the easiest way is:
 
   ```js
-  person.firstName // access to the first name properti
-  person.lastName // access to the last name properti
-  person.age // access to the age properti
+  person.firstName; // access to the first name properties
+  person.lastName; // access to the last name properties
+  person.age; // access to the age properties
   ```
 
-<a name="null_undefined"></a> 
-- ### Null and Undefined  
+<a name="null_undefined"></a>
+
+- ### Null and Undefined
+
   **Undefined:** comes when you try to access toa variable that has been created, but not set.
 
   ```js
   let dog;
-  console.log(dog);  //result should be undefined
+  console.log(dog); //result should be undefined
   ```
 
-  **Null:** is a value of nothing  
+  **Null:** is a value of nothing
 
   ```js
-  let somethingNull = null; 
+  let somethingNull = null;
   ```
-<a name="booleans"></a> 
-- ### Boolians and equiality  
 
-  **Booleans:**  is a value of true or false, can be manually set or calculate:
+  <a name="booleans"></a>
+
+- ### Booleans and equality
+
+  **Booleans:** is a value of true or false, can be manually set or calculate:
 
   ```js
   //manually set
@@ -134,24 +155,26 @@ const cool = true;
   console.log(ofAge); // result should be false
   ```
 
-  **Equality:** we have:  
+  **Equality:** we have:
+
   - = (setting or updating a variable)
   - == (it compares the value but not the type of )
   - === (compares the value and type of )
 
   ```js
   // =
-  let dog = 'Sharon';
+  let dog = "Sharon";
 
   // ==
-  "10" == 10 //result is true, it compares the value but not the type of (both values are 10)
+  "10" == 10; //result is true, it compares the value but not the type of (both values are 10)
 
   // ===
-  "10" === 10 // result is false, compares value and type of (first one is string, second one is number)
-  ```  
+  "10" === 10; // result is false, compares value and type of (first one is string, second one is number)
+  ```
 
 <br>
 
 ---
+
 back to [Table of Content](tableOfContent.md)  
-next [Functions](02_functions.md)  
+next [Functions](02_functions.md)