JavaScript Snippets: IF Statements Optimization Part 2

Posted on March 14, 2010 by Stoimen

What if …

continuing from the previous post let assume there’s the following code:

if ( thisIsTrue ) {
   if ( myFuncReturnsTrue() ) {
      printMe('success');
   } else {
      printMe('error');
   }
}

This can be easily ported to:

thisIsTrue && (myFuncReturnsTrue() ? printMe('success') : printMe('error'));

You can see the demo source here. Here’s a snippet:

function func1() {
	alert('func1');	
}
function func2() {
	alert('func2');	
}
 
var a = true;
var b = false;
 
a && (b ? func1() : func2());

Masraf says:

March 15, 2010 at 12:16 pm

Cool
balbir in. says:

March 15, 2010 at 1:46 pm

wow, this is the first time I see some optimization like that!
ernesto says:

March 17, 2010 at 5:17 pm

@balbir in. – you gotta be very late