foo(1, '2', bar()) foo() .bar() .bazz() console.log('yo') foo( 1, bar() ) var a = 3; // set a step point at the first call expression in step expressions var x = { a: a(), b: b(), c: c() }; var b = [ foo() ]; [ a(), b(), c() ]; (1, a(), b()); x(1, a(), b());