js switch case starts with code example

Example 1: 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 2: javascript switch case regex

var regex1 = /a/,
    regex2 = /b/,
    regex3 = /c/,
    samplestring = 'b';

switch (true) {
    case regex1.test(samplestring):
        console.log("regex1");
        break;
    case regex2.test(samplestring):
        console.log("regex2");
        break;
    case regex3.test(samplestring):
        console.log("regex3");
        break;
}

Example 3: switch case in js

var coll1="kjc;

switch(coll1)
{
  case "kjc":
    alert("youre special");
    break;
  case "horizon":
    alert("worst behaviour");
    break;
  case "cmr" :
    alert("worst character");
    break;
  default:
    alert("kjc is best");
    break;
}