Add comments and clarifications to helpersFE.js
Add comments and clarifications to helpersFE.js

LESEM-PEWI/pewi3.0,qaws01395/pewi3.0,qaws01395/pewi3.0,elizabethli1998/pewi3.0,tomtinkerer/pewi3.0,elizabethli1998/pewi3.0,tomtinkerer/pewi3.0,LESEM-PEWI/pewi3.0