Joe Lloyd

Frontend Developer

Specialised in frontend development since 2013, living in Amsterdam. Active on Stack Overflow with 22,843 reputation, 336 answers, and 104 questions, focusing on ReactJS, JavaScript, AngularJS, HTML, CSS, and Redux.

https://stackoverflow.com/users/2504407/joe-lloyd
https://stackexchange.com/users/2922445/joe-lloyd

Web Why Bootstrap Modal shown.bs.modal Fires Twice in React useEffect

Learn why Bootstrap 'shown.bs.modal' event fires twice in React useEffect (empty deps, no StrictMode) but once in plain JS. Fixes include cleanup, ref guards, and react bootstrap alternatives for reliable modal events.

#bootstrap
#javascript
#modals
#react
#useeffect

6 answers• 1 view

02/27/2026, 04:56 PM