Optimize OR in IF

Question

I have a code like this:

if (action == \'John\' || action == \'John Beckham\' || action == \'Henry John\'){
     alert(\'true!\');
}

How do I m

Answer 1

if using jquery, then you could do:

var arr = ['a','b','c','d','e','f','g'];
if( $.inArray(action, arr) !== -1 ) {
  alert("true");
}