1Heat gas or charcoal grill. In small bowl, mix salsa ingredients; set aside.
2Place jalapeños on grill over medium heat. Cook uncovered, turning frequently, until tender (and skins begin to brown, if desired). Remove from grill to cutting board. Remove stems and seeds. Slice jalapeños into rings; set aside.
3Place hot dogs on grill over medium heat. Cook uncovered about 10 minutes, turning frequently, until hot.
4In small bowl, mix mayonnaise and chipotle chiles. Spread mixture on cut sides of each bun. Place grilled hot dogs in buns; top with pineapple salsa and jalapeño rings.