Correction to OP: In Polymer, ajax CAN be an element. Or not. You can build whatever elements you want in Polymer (even non-visual utility elements like xhr and localStorage), but it's YOUR job (the developer) to choose…
Correction to OP: In Polymer, ajax CAN be an element. Or not. You can build whatever elements you want in Polymer (even non-visual utility elements like xhr and localStorage), but it's YOUR job (the developer) to choose…