javascript - 在JavaScript中切换语句多个案例(Switch statement multiple cases in JavaScript)

Question

I need multiple cases in switch statement in JavaScript, Something like:

(我需要在JavaScript的switch语句中使用多种情况，例如：)

switch (varName)
{
   case "afshin", "saeed", "larry": 
       alert('Hey');
       break;

   default: 
       alert('Default case');
       break;
}

How can I do that?

(我怎样才能做到这一点？)

If there's no way to do something like that in JavaScript, I want to know an alternative solution that also follows DRY concept .

(如果没有办法在JavaScript中执行类似的操作，我想知道一个也遵循DRY概念的替代解决方案。)

  ask by Afshin Mehrabani translate from so

Answer 1

Use the fall-through feature of the switch statement.

(使用switch语句的直通功能。)

A matched case will run until a break (or the end of the switch statement) is found, so you could write it like:

(匹配的大小写将一直运行到找到break （或switch语句的末尾）为止，因此您可以这样写：)

switch (varName)
{
   case "afshin":
   case "saeed":
   case "larry": 
       alert('Hey');
       break;

   default: 
       alert('Default case');
}