pouzdro spínače js
switch(expression) {
case x:
// code block
break;
case y:
// code block
break;
default:
// code block
}
javascript příkaz switch více případech
//javascript multiple case switch statement
var color = "yellow";
var darkOrLight="";
switch(color) {
case "yellow":case "pink":case "orange":
darkOrLight = "Light";
break;
case "blue":case "purple":case "brown":
darkOrLight = "Dark";
break;
default:
darkOrLight = "Unknown";
}
//darkOrLight="Light"
příkaz JavaScript switch více případů
//javascript multiple case switch statement
var color = "yellow";
var darkOrLight="";
switch(color) {
case "yellow":case "pink":case "orange":
darkOrLight = "Light";
break;
case "blue":case "purple":case "brown":
darkOrLight = "Dark";
break;
default:
darkOrLight = "Unknown";
}
//darkOrLight="Light"
přepnout javascript
switch (a) {
case 1:
alert('case 1 executed');
break;
case 2:
alert("case 2 executed");
break;
case 3:
alert("case 3 executed");
break;
case 4:
alert("case 4 executed");
break;
default:
alert("default case executed");
}
přepínací pouzdro v JavaScriptu
function whatToDrink(time){
var drink ;
switch (time) {
case "morning":
drink = "Tea";
break;
case "evening":
drink = "Shake";
break;
default:
drink="Water";
}
return drink;
}
console.log(whatToDrink("morning")) //Tea
console.log(whatToDrink("evening")) //Shake
console.log(whatToDrink("night")) //Water
console.log(whatToDrink("daytime")) //Water
přepnout příkaz javascript
function caseInSwitch(val) {
var answer = "";
// Only change code below this line
switch(val) {
case 1:
answer = "alpha";
console.log(answer);
break;
case 2:
answer = "beta";
break;
case 3:
answer = "gamma";
break;
case 4:
answer = "delta";
break;
}
// Only change code above this line
return answer;
}
caseInSwitch(1);
příkaz switch javascript
function caseInSwitch(val) {
var answer = "";
// Only change code below this line
switch(val) {
case 1:
answer = "alpha";
console.log(answer);
break;
case 2:
answer = "beta";
break;
case 3:
answer = "gamma";
break;
case 4:
answer = "delta";
break;
}
// Only change code above this line
return answer;
}
caseInSwitch(1);
js přepínač
var myvalue='val1';//or other values; val2 val3 valx
switch(myvalue) {
case 'val1':
console.log('var myvalue is '+ myvalue);
//other code ...
break;
case 'val2':
console.log('var myvalue is '+ myvalue);
//other code ...
break;
default:
// when all the other values not covered with cases above
// other code ...
}
přepínač js
var myvalue='val1';//or other values; val2 val3 valx
switch(myvalue) {
case 'val1':
console.log('var myvalue is '+ myvalue);
//other code ...
break;
case 'val2':
console.log('var myvalue is '+ myvalue);
//other code ...
break;
default:
// when all the other values not covered with cases above
// other code ...
}