ing-arriola

1. Open your terminal

#In step 2, you can use your favorite editor instead of nano
2. sudo nano ~/.bashrc

3. Go to the end of your .bashrc file

4. Add these lines in your .bashrc file
function parse_git_branch () {
  git branch 2> /dev/null | sed -e '/^[^*]/d' -e 's/* \(.*\)/(\1)/'

ing-arriola

//The user enter a string and as a result gets an array
function stringToArray(){
    let stringFromUser="firstname,secondname,surname,lastname"
    let collectionOfCharacters=stringFromUser.split(",")
    alert(`The result array is: ${collectionOfCharacters}`)
}

ing-arriola

//The user enter a string and as a result gets an array
function stringToArray(){
    let stringFromUser="this string"
    let collectionOfCharacters=stringFromUser.split("")
    alert(`The result array is: ${collectionOfCharacters}`)
}

ing-arriola

const updateElementsOnDOM= (elementModified)=>{
    document.getElementById(elementModified.name+"-item").value=elementModified.amount
}

ing-arriola

let password=""//Declare and initiallize the variable
//Let's say that get a password from a prompt is a good idea... just for demonstrate the use of lenght
password=prompt("Insert you password, it must have at least 5 characters")//Ask the user for the password
if(password.length>=5){//Validation of password lenght
    alert("password set successfully!!")//Suppose that in addition to show message we store it in a DB
}else{
    alert("The password must have at least 5 characters")//The password is not the required... the the system should ask it again
}

ing-arriola

let message="Hello this is a string"//You can declare a String using double quotes
let greeting='Good morning!'//Also you can declare a String using sigle quotes

ing-arriola

let listOfCostumers=[]//This one is called Camell Case; as you can see the all the letters of the
                      //first word are lower case but the first letter of the following
                      //words begins with upperCase
let list_of_products=[]//This one is called under_score because you use "_" to separate
                       //each word of the name   
let FirstNameOfCustomer="John"//This one is called Pascal Case, in this form you write
                              //the first letter of each word as UperCase

ing-arriola

let a=6
if(a>5){
    const local="local variable"
    console.log(local)
    local="other value"//Trying to set the constant to anothe value... but this fails :O
}
console.log(local)//This throw an error because the scope of const is the same of let

ing-arriola

let a=6
if(a>5){
    var local="local variable"
    console.log(local)//This will print the value "local variable"
}
console.log(local)//This will print the value "local variable" with no one error

ing-arriola

let a=6
if(a>5){
    let local="local variable"
    console.log(local)//This will print the value "local variable"
}
console.log(local)//This will throw an error because local is out of scope