function with colon javascript code example

Example 1: colon in js

List: 
while(counter < 50)
{
     userInput += userInput;
     counter++;
     if(userInput > 10000)
     {
          break List;
     }
}

Example 2: colon in js

switch (new Date().getDay()) {
    case 6:
        text = "Today is Saturday";
        break; 
    case 0:
        text = "Today is Sunday";
        break; 
    default: 
        text = "Looking forward to the Weekend";
}