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js_extra_1.html
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<!DOCTYPE html>
<html>
<head>
<title>Extra</title>
<link rel="preconnect" href="https://fonts.googleapis.com">
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
<link href="https://fonts.googleapis.com/css2?family=Bebas+Neue&display=swap" rel="stylesheet">
<script src="https://kit.fontawesome.com/e5c56a9a16.js" crossorigin="anonymous"></script>
<link rel="apple-touch-icon" sizes="180x180" href="immagini/favjs/apple-touch-icon.png">
<link rel="icon" type="image/png" sizes="32x32" href="immagini/favjs/favicon-32x32.png">
<link rel="icon" type="image/png" sizes="16x16" href="immagini/favjs/favicon-16x16.png">
<link rel="manifest" href="immagini/favjs/site.webmanifest">
<link rel="mask-icon" href="immagini/favjs/safari-pinned-tab.svg" color="#dfe300">
<meta name="msapplication-TileColor" content="#ffc40d">
<meta name="theme-color" content="#ffffff">
<style>
*{
font-size: 1.1em;
margin: 0;
padding: 0;
box-sizing: border-box;
font-family: "Bebas Neue", sans-serif;
font-weight: 400;
font-style: normal;
}
body{
background-image: url(immagini/Grid\ 1.jpg);
backdrop-filter: blur(10px);
background-repeat: no-repeat;
background-size: cover;
background-position: center;
display: flex;
flex-direction: column;
align-items: center;
justify-content: center;
height: 100%;
}
.box-1{
background-color: antiquewhite;
width: 60%;
margin: 20% 10%;
box-shadow: 1px 3px 10px 8px black;
border: 10px solid rgb(255, 226, 188);
text-align: center;
display: flex;
flex-direction: column;
gap: 10px;
}
.box-1 ul{
list-style-type: none;
display: flex;
flex-direction: column;
align-items: center;
}
.box-1 ul li{
display: flex;
flex-direction: row;
gap: 10px;
}
footer{
background-color: rgb(255, 250, 184);
width: 100%;
text-align: center;
padding: 10px;
}
header{
width: 100%;
background-color: antiquewhite;
text-align: center;
padding: 20px;
font-size: 40px;
border: 10px solid rgb(255, 226, 188);
}
button{
background-color: white;
border: 2px solid gray;
padding: 10px;
margin-bottom: 10px;
width: 200px;
}
button:hover{
background-color: rgb(168, 168, 168);
cursor: pointer;
}
</style>
</head>
<body id="body">
<header>
<h1>Argomenti Extra</h1>
<p>Scopri o interagisci con i box per sapere le loro interazioni.</p>
</header>
<div class="box-1">
<h1>Ternary Operator</h1>
<ul style="display: flex; flex-direction: column; gap: 10px;">
<li id="text-value">-</li>
</ul>
</div>
<script>
const numb1 = 15;
const numb2 = 13;
const result = numb1 < numb2 ? 'Minore' : 'Maggiore'; // detto Ternary Operator (if e else)
const id_msg = document.getElementById('text-value');
id_msg.textContent = numb1 + '<' + numb2 + ' condizione: ' + result;
id_msg.style.padding = '10px';
</script>
<div class="box-1">
<h1>Spread Operator e Metodi per gli array</h1>
<ul style="display: flex; flex-direction: column; gap: 10px;">
<li id="text-value1">-</li>
</ul>
</div>
<script>
const list_numb = [1,2,5,6,7,4,3];
const id_msg1 = document.getElementById('text-value1');
list_numb.push('8');
list_numb.unshift('0');
//list_numb.pop();
//list_numb.shift();
const numb_rs = Math.max(...list_numb); //detto anche Spread Operator
id_msg1.textContent = 'Numero scelto: ' + numb_rs;
id_msg1.style.padding = '10px';
function reverse_list(){
const list_rev = list_numb.sort();
console.log(list_rev);
}
reverse_list();
const list_numb2 = [10,12,23,45,56,89,23];
function add_list(){
return list_numb2.push('30');
}
function filt_list(array){
return array % 2 === 0;
}
function Array_reduce(prev, next){
return prev + next;
}
const list_numb7 = [13,45,56,78,89,90,40];
function Array_moltply(element, index, array){
array[index] = element * 2;
}
list_numb7.forEach(Array_moltply);
console.log('ForEach:'+ list_numb7);
const list_numb5 = list_numb2.reduce(Array_reduce);
console.log(list_numb5);
const list_numb4 = list_numb2.filter(filt_list); // filtraggio e creazione di un array
const list_numb3 = list_numb2.map(add_list); // metodo per creare un nuovo array da una funzione
console.log(list_numb3);
console.log(list_numb2);
console.log(list_numb4);
</script>
<div class="box-1">
<h1>esercizi con gli array</h1>
<ul style="display: flex; flex-direction: column; gap: 10px;">
<li><p>Scopo del esercizio cancellare una parte di array</p></li>
<li id="text-value2">-</li>
</ul>
</div>
<script>
var text_value2 = document.getElementById('text-value2');
var list_array = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10];
list_array.pop();
list_array.splice(0, 2);// solo all'interno di array gia esistente senza crearne uno nuovo
text_value2.textContent = list_array;
</script>
<div class="box-1">
<h1>esercizi con gli array</h1>
<ul style="display: flex; flex-direction: column; gap: 10px;">
<li><p>Scopo del esercizio dividere la lista di colori in due</p></li>
<li id="text-value3">-</li>
</ul>
<script>
var text_value3 = document.getElementById('text-value3');
var list_color = ['rosso', 'verde', 'blu', 'giallo', 'nero', 'bianco'];
var color_1 = list_color.slice(0, 3);
var color_2 = list_color.slice(3, 6);
text_value3.textContent = ' Prima lista di colori: ' + color_1 + ' Seconda lista di colori: '+ color_2;
text_value3.style.color = 'green';
text_value3.style.padding = '10px';
</script>
</div>
<div class="box-1">
<h1>esercizi con gli array</h1>
<ul style="display: flex; flex-direction: column; gap: 10px;">
<li><p>Scopo del esercizio dividere e unire le due liste</p></li>
<li id="text-value4">-</li>
</ul>
<script>
var text_value4 = document.getElementById('text-value4');
var list_fruit1 = ['mela', 'banana', 'ciliegia'];
var list_fruit2 = ['arancia', 'limone', 'lime'];
var list_1_f = list_fruit1.slice(1,3);
var list_2_f = list_fruit2.slice(0,2);
//var list = [...list_1_f, ...list_2_f] concatenare più elementi
text_value4.textContent = list_1_f +','+ list_2_f;
</script>
</div>
<div class="box-1">
<h1>esercizi con gli array</h1>
<ul style="display: flex; flex-direction: column; gap: 10px;">
<li><p>Scopo del esercizio e rimuovere i doppionni dalla lista</p></li>
<li id="text-value5">-</li>
</ul>
<script>
var text_value5 = document.getElementById('text-value5');
var list_ar = [1, 2, 3, 4, 5, 1, 2, 6, 7, 8];
var list_new = [];
//console.log(list_ar);
function New_list(Valore){
return Valore !== 1 && Valore !== 2;
}
list_new = list_ar.filter(New_list);
text_value5.textContent = list_new;
</script>
</div>
<div class="box-1">
<h1>esercizi con gli array</h1>
<ul style="display: flex; flex-direction: column; gap: 10px;">
<li><p>Scopo del esercizio è trovare il numero massimo nella lista</p></li>
<li id="text-value6">-</li>
</ul>
</div>
<script>
var text_value6 = document.getElementById('text-value6');
var list_nb = [];
for (i = 0; i < 20; i++) {
list_nb.push(i);
}
var max = list_nb[0];
for (i = 0; i < list_nb.length; i++) {
if (list_nb[i] > max) {
max = list_nb[i];
}
}
//var Math_Max = Math.max(...list_nb);
//console.log(Math_Max);
text_value6.textContent = max;
</script>
<div class="box-1">
<h1>esercizi con gli array</h1>
<ul style="display: flex; flex-direction: column; gap: 10px;">
<li><p>Scopo del esercizio è somma tutti i valori per dare un risultato unico</p></li>
<li id="text-value7">-</li>
</ul>
</div>
<script>
var text_value7 = document.getElementById('text-value7');
var list1 = [1,2,3,4,5,6,7,8,9,10,12,13,14];
var rs = 0;
for (let i = 0; i < list1.length; i++) {
rs = list1[i];
}
text_value7.textContent = rs;
</script>
<div class="box-1">
<h1>esercizi con gli array</h1>
<ul style="display: flex; flex-direction: column; gap: 10px;">
<li><p>Scopo del esercizio è creare un array con i numeri</p></li>
<li id="text-value8">-</li>
</ul>
</div>
<script>
const text_value8 = document.getElementById('text-value8');
const list2 = [1,2,3,4,5,6,7,8,9,10,12,13,14];
var list_new1 =[];
function Calcolo_Pari(value){
return value % 2 === 0;
}
list2.forEach((value)=>{
if (value % 2 === 0){
list_new1.push(value);
}
});
console.log(list_new1);
//list_new1 = list2.filter(Calcolo_Pari);
text_value8.textContent = list_new1;
</script>
<div class="box-1">
<h1>esercizi con gli array</h1>
<ul style="display: flex; flex-direction: column; gap: 10px;">
<li><p>Scopo del esercizio è invertire l'ordine di un array</p></li>
<li id="text-value9">-</li>
</ul>
</div>
<script>
const text_value9 = document.getElementById('text-value9');
var list3 = [1,2,3,4,5,6,7,8,9,10,12,13,14];
list3.reverse();
text_value9.textContent = list3;
</script>
<div class="box-1">
<h1>esercizi con gli array</h1>
<ul style="display: flex; flex-direction: column; gap: 10px;">
<li><p>Scopo del esercizio è invertire l'ordine della lista in crescente</p></li>
<li id="text-value10">-</li>
</ul>
</div>
<script>
const text_value10 = document.getElementById('text-value10');
var list4 = [10,20,30,40,50,60,70,80];
list4.sort();
list4.reverse();
text_value10.textContent = list4;
</script>
<div class="box-1">
<h1>esercizi con gli array</h1>
<ul style="display: flex; flex-direction: column; gap: 10px;">
<li><p>Scopo del esercizio è ed estrarre le vocali dall'alfabeto</p></li>
<li id="text-value11">-</li>
</ul>
</div>
<script>
const text_value11 = document.getElementById('text-value11');
var list5 = ['A', 'B','C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V','Y','W','X','Z'];
var vocali = [];
function Vocali(value){
return value === 'A' || value === 'E' || value === 'I' || value === 'O' || value === 'U';
}
/* for (let i = 0; i < list5.length; i++) {
if (list5[i] === 'A' || list5[i] === 'E' || list5[i] === 'I' || list5[i] === 'O' || list5[i] === 'U') {
vocali.push(list5[i]);
}
} */
vocali = list5.filter(Vocali);
text_value11.textContent = vocali;
</script>
<div class="box-1">
<h1>esercizi con gli array</h1>
<ul style="display: flex; flex-direction: column; gap: 10px;">
<li><p>Scopo del esercizio è separare dai pari dai dispari in liste differenti</p></li>
<li id="text-value12">-</li>
</ul>
</div>
<script>
const text_value12 = document.getElementById('text-value12');
var list6 = [10,20,30,40,50,60,70,80];
var Pari_li = [];
var Dispari_li = [];
var numb_list = [];
function Pari(value){
return value % 2 === 0;
};
function Dispari(value){
return value % 2 !== 0;
};
Pari_li = list6.filter(Pari);
Dispari_li = list6.filter(Dispari);
numb_list = [...Pari_li, ...Dispari_li];
text_value12.textContent = numb_list;
var index = 0;
var msg = '';
while (index < 20) {
msg += index + 'x 5' + '=' + (index * 5) + ' ';
index++;
}
console.log(msg);
</script>
<div class="box-1">
<h1>Prendi la posizione</h1>
<div style="display: flex; flex-direction: column; align-items: center; gap: 20px;">
<p id="index-position">-</p>
<button id="switch-position">Genera</button>
</div>
</ul>
<script>
var msg_1 = document.getElementById('index-position');
var btn_msg = document.getElementById('switch-position');
function currect_pp(position){
var longitudine = position.coords.longitude;
var latitudine = position.coords.latitude;
msg_1.textContent = 'Longitudine' + longitudine + ' Latitudine' + latitudine;
}
function error_msg(){
btn_msg.textContent = 'Errore di Comando';
}
btn_msg.addEventListener('click', ()=>{
navigator.geolocation.getCurrentPosition(currect_pp, error_msg);
})
</script>
</div>
<div class="box-1">
<h1>Scegli una categoria</h1>
<div style="display: flex; flex-direction: column; align-items: center; gap: 20px; padding: 20px;">
<select name="filtro" id="filtro">
<option value="scegli una categoria" >scegli una categoria</option>
<option value="macchine">Macchine</option>
<option value="marchi">Marchi</option>
</select>
<select name="categorie" id="categorie">
</select>
</div>
<script>
let marchi = ['Microsoft', 'Apple', 'Peroni', 'Nokia', 'Android'];
let auto = ['Lamborghini', 'Ferrari', 'Alfa Romeo', 'Tesla', 'Fiat'];
let filtro_select = document.getElementById('filtro');
let categorie_select = document.getElementById('categorie');
function select_function(){
let value_ft = filtro_select.value;
let value_ct = categorie_select.value;
let items = value_ft === 'marchi' ? marchi : auto;
categorie_select.innerHTML = '<option value="">Seleziona un opzione</option>';
items.forEach(item => {
let option = document.createElement('option');
option.value = item.toLowerCase();
option.textContent = item;
categorie_select.appendChild(option);
});
if (value_ft === 'scegli una categoria') {
categorie_select.innerHTML = '<option value="">seleziona un filtro</option>'
}
}
filtro_select.addEventListener('change', select_function);
filtro_select.addEventListener('DOMContentLoaded', select_function);
</script>
</div>
<div class="box-1">
<h1>Scegli una categoria</h1>
<div style="display: flex; flex-direction: column; align-items: center; gap: 20px; padding: 20px;">
<select name="filtro" id="filtro2">
<option value="scegli una categoria">scegli una categoria</option>
<option value="Piante">Piante</option>
<option value="Auto">Auto</option>
</select>
<select name="categorie" id="categorie2">
</select>
</div>
<script>
let Piante_list = ['Pino', 'Felce', 'Ficus', 'Dracrea', 'Vaniglia', 'Felce', 'MangiaFumo'];
let Auto_list = ['Lamborghini', 'Ferrari', 'Alfa Romeo', 'Tesla', 'Fiat'];
let cat_select_list = document.getElementById('filtro2');
let show_cat = document.getElementById('categorie2');
cat_select_list.addEventListener('change', ()=>{
let value_cat_select = cat_select_list.value;
let show_cat_value = show_cat.value;
show_cat.innerHTML = '<option value="">Scegli una categoria</option>'
if (value_cat_select === 'Piante') {
Piante_list.forEach(element =>{
let option = document.createElement('option');
option.value = element;
option.textContent = element;
show_cat.appendChild(option);
});
}
if (value_cat_select === 'Auto') {
Auto_list.forEach(element =>{
let option = document.createElement('option');
option.value = element;
option.textContent = element;
show_cat.appendChild(option);
});
}
if (value_cat_select === 'scegli una categoria') {
show_cat.innerHTML = '<option value="">Seleziona una categoria</option>';
}
});
</script>
</div>
<div class="box-1">
<h1>Convalida</h1>
<div style="display: flex; flex-direction: column; align-items: center; gap: 20px; padding: 20px;">
<p id="text-value13">-</p>
</div>
<script>
let parola_text = 'Abcdef12';
let msg_2 = document.getElementById('text-value13');
// /^\d+[1-4]+\d+[{4,6}]+$/
if (/^(?=.*[A-Z])(?=.*\D)[A-Za-z\d]{8}$/.test(parola_text)) {
msg_2.textContent = 'Passato';
}
else{
msg_2.textContent = 'Non Passato';
}
</script>
</div>
<div class="box-1">
<h1>Scrivi il tuo pokemon preferito.</h1>
<div style="display: flex; flex-direction: column; align-items: center; gap: 20px; padding: 20px;">
<input type="text" id="text-value14" style="padding: 10px;">
<button id="btn-sub">Genera</button>
<img src="" id="img-pk" alt="pk-img" style="border: 2px solid red; width: 20%;">
</div>
<script>
const text_input = document.getElementById('text-value14');
const submit = document.getElementById('btn-sub');
const img_src = document.getElementById('img-pk');
//fetch('https://pokeapi.co/api/v2/pokemon/ditto')
//.then(url => console.log(url))
//.catch(error => console.log(error));
async function Poke_api(){
let value_text = text_input.value.trim();
try {
const response = await fetch(`https://pokeapi.co/api/v2/pokemon/${value_text}`);
if (!response.ok) {
throw new Error('non esiste.');
}
const data = await response.json();
const sprite_poke = data.sprites.front_default;
img_src.setAttribute('src', sprite_poke);
console.log(data);
} catch (error) {
console.log(error);
}
}
submit.addEventListener('click', Poke_api);
</script>
</div>
<footer>
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