Understanding How Slots are Used in Ionic 4

ion slotIn order to place the fab in a fixed position, it should be assned to the fixed slot of the outer content component. ... Safe Area If there is no ion-header or ion-footer component, theSlot Description; start: Positions to the left of the content in LTR, and to the rht in RTL.: end: Positions to the rht of the content in LTR, and to the left in RTL.: secondary: Positions