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docs/JavaScript_Basics/variables.md

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 # Variables 
+
+A variable is a value, can be changed, paired with an associated symbolic name, make your code more useful and easyful
+
+--------------------
+
+In the Javascript has this types of variables:
+
+**Number**
+```javascript
+var exemple = 0; //Any number
+```
+
+**String**
+```javascript
+var exemple = "text"; //Any character in quotation marks
+```
+
+**Bool**
+```javascript
+var exemple = true; //or false
+```
+
+**Object**
+```javascript
+var exemple = {name:'carl',years:15}; //any object
+```
+
+**Array**
+```javascript
+var exemple = [1,"test"]; //list of any type of variable
+```
+
+**Class**
+```javascript
+var exemple = new Class(); //any classes
+```
+
+In the Javascript you don't need to declare the variable type.
+
+--------------------
+
+There are also ways to declare the variable:
+
+**Var**
+```javascript
+if(true){
+ var exemple = 1; //Declare like this
+ exemple = 2; //Can be changed
+ console.log(exemple);
+}
+console.log(exemple); //Is globally
+```
+
+**Let**
+```javascript
+if(true){
+ let exemple = 1; //Declare like this
+ exemple = 2; //Can be changed
+ console.log(exemple);
+}
+console.log(exemple); //Isn't globally, just work in blocks
+```
+
+**Const**
+```javascript
+if(true){
+ const exemple = 1; //Declare like this
+ exemple = 2; //Can't be changed, can only be declare one time
+ console.log(exemple);
+}
+console.log(exemple); //Is globally
+```