javascript case switch code example

Example 1: js switch case

switch(expression) {
  case x:
    // code block
    break;
  case y:
    // code block
    break;
  default:
    // code block
}

Example 2: switch 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");
}

Example 3: javascript switch statement multiple cases

//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"

Example 4: js switch

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 ...
}

Example 5: switch case in javascript

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

Example 6: switch statement 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);