how to do a condition in caase switch js 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 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);