giphy.txt

{
	"jezici": {
	"javascript": "Javascript",
	"python": "Python",
	"nodejs": "Node.js",
	"p5js": "P5.js"
	}
	
}


#########################################################################
Ovo ispod je primer kako se uklanja/postavlja element na stranu!

const dugme = document.querySelector('button')
const slika = document.querySelector('.slika')

slika.style.display = 'none'

dugme.addEventListener('click', (event) => {
    slika.style.display = 'block'
    dugme.style.display = 'none'
})
#########################################################################

<option value="Option 1">Questions</option>
<option value="Option 2">Admiration</option>
<option value="Option 3">Can I get your number?</option>

#########################################################################

fetch(API_URL)
    .then(res => res.json())
    .then(data => {
       data.forEach(el => {
        //kreiram "option" tag za svaki red iz baze, konkretno prog. jezik 
        const opcija = document.createElement("option")
         //ispod dodeljujem atribute tagovima
         opcija.value = el.name
         opcija.textContent = el.name
         //ovde svaki pojedinačni option tag lepim na selektor
         selektor.appendChild(opcija)
       }) 
    })
#########################################################################

Ovo ispod je async/await fazon ovoga iznad!!!

const poziv_prog_jezik = async () => {
    const response = await fetch(API_URL)
    const data = await response.json()

    kreiraj_listu(data)
}

const kreiraj_listu = (data) => {
    data.forEach(el => {
        const opcija = document.createElement("option")
        
        opcija.value = el.name
        opcija.textContent = el.name

        selektor.appendChild(opcija)
    })
}

poziv_prog_jezik()

#########################################################################

MongoDB queries (Mongo Shell)

Find document => languages.find({name: "Javascript"})

Remove all documents from collection => db.languages.remove()
Remove specific document => db.languages.remove({name: "C++"})

Update document => db.languages.update({name: "P5js"}, {name: "P5.js"})

#########################################################################

const schema = Joi.object({
    username: Joi.string().alphanum().min(3).max(16).required(),
    password: Joi.string().regex(/^[a-zA-Z0-9]{3,30}$/).min(6).required()
}).with('username', 'password');

#########################################################################