Whats the difference between covalent and ionic bonding? and how do you do them?

dear kagmi if u are challenging of grabing electrons for example i grab an electron from you and me chlorine and you sodium so we do not will have any relation so how NaCl is formed you wrong no to grab to transfer but the virtue is of the holding them together if a will grab an Electron from you i will never meeet you and me wil b like thief so no grabing over here just it gives it to other and the other is so kind that it does not leave his donor ...................yukkkkk