the javascript switch statement code example

Example 1: js switch case

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

Example 2: 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 3: 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);

Example 4: how to use switch case in javascript

switch (expression) {
  case value1:
    //Statements executed when the
    //result of expression matches value1
    [break;]
  case value2:
    //Statements executed when the
    //result of expression matches value2
    [break;]
  ...
  case valueN:
    //Statements executed when the
    //result of expression matches valueN
    [break;]
  [default:
    //Statements executed when none of
    //the values match the value of the expression
    [break;]]
}