js switch case can I use code example

Example 1: 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 2: Javascript switch case code format

switch(type) {
	case "SomeString":
		// Functionality
		break;
	case "OtherString":
		// Functionality
		break;
	default:
		// Functionality
		break;
}