Daggers made two changes for the clash, with Shaun Donnellan in for the suspended Scott Doe and Luke Guttridge replacing Tyrique Hyde.
Daggers were making most of the early running, with both Jordan Maguire-Drew and Frankie Raymond
drawing saves from Sam Beasant.
The hosts took the lead in the 11th minute when Joe Widdowson
’s cross-cum-shot was turned in at the far post by Jordan Maguire-Drew.
Ten minutes later, Braintree had a man sent off as Reece Hall-Johnson was dismissed for a dangerous challenge on Frankie Raymond
Daggers doubled their lead three minutes before half-time through Guttridge, who netted after latching onto a Hawkins knockdown.
In the 57th minute, Daggers went close to a third goal, but Guttridge’s snapshot from 10 yards was comfortable for Beasant.
With 10 minutes remaining, Daggers wrapped the game up when Whitely fired home from 25 yards.
Daggers (4-2-3-1): Justham; Ling (Heard 73), Staunton, S Donnellan, Widdowson; Boucaud, Raymond; Maguire-Drew, Guttridge (Okenabirhie 81), Whitely; Hawkins (Benson 87)
Subs: Cousins, Robson
Braintree (4-4-2): Beasant; Clohessy, Gayle, Parry, Okimo; Maybanks (Jules 65), Lee (Corne 75), Isaac, Hall-Johnson; Midson, Cheek (Barnard 86)
Subs: Williams, Dias
Sent off: Hall-Johnson 21 (dangerous challenge)
Attendance: 1,261 (including 102 Braintree fans)
Referee: Anthony Coggins