switch js

1switch(expression) {
2  case x:
3    // code block
4    break;
5  case y:
6    // code block
7    break;
8  default:
9    // code block
10}

1switch (a) {
2    case 1:
3        alert('case 1 executed');
4        break;
5    case 2:
6        alert("case 2 executed");
7        break;
8   case 3:
9        alert("case 3 executed");
10        break;
11    case 4:
12        alert("case 4 executed");
13        break;
14    default:
15        alert("default case executed");
16}

1//javascript multiple case switch statement
2var color = "yellow";
3var darkOrLight="";
4switch(color) {
5    case "yellow":case "pink":case "orange":
6        darkOrLight = "Light";
7        break;
8    case "blue":case "purple":case "brown":
9        darkOrLight = "Dark";
10        break;
11    default:
12        darkOrLight = "Unknown";
13}
14
15//darkOrLight="Light"

1let color = "black";
2
3switch(color){
4    case "red":
5        console.log("color is red");
6        break;
7    case "white":
8        console.log("color is white");
9        break;
10    case "black":
11        console.log("color is black");
12        break;
13    default:
14        console.log("unknow color");
15}

1switch (expr) {
2  case 'Oranges':
3    console.log('Oranges are $0.59 a pound.');
4    break;
5  case 'Apples':
6    console.log('Apples are $0.32 a pound.');
7    break;
8  case 'Bananas':
9    console.log('Bananas are $0.48 a pound.');
10    break;
11  case 'Cherries':
12    console.log('Cherries are $3.00 a pound.');
13    break;
14  case 'Mangoes':
15  case 'Papayas':
16    console.log('Mangoes and papayas are $2.79 a pound.');
17    break;
18  default:
19    console.log('Sorry, we are out of ' + expr + '.');
20}
21
22console.log("Is there anything else you'd like?");
23

1switch (expression) {
2  case valeur1:
3    // Instructions à exécuter lorsque le résultat
4    // de l'expression correspond à valeur1
5    instructions1;
6    [break;]
7  case valeur2:
8    // Instructions à exécuter lorsque le résultat
9    // de l'expression correspond à valeur2
10    instructions 2;
11    [break;]
12  ...
13  case valeurN:
14    // Instructions à exécuter lorsque le résultat
15    // de l'expression à valeurN
16    instructionsN;
17    [break;]
18  [default:
19    // Instructions à exécuter lorsqu'aucune des valeurs
20    // ne correspond
21    instructions_def;
22    [break;]]
23}