Imam Javad (AS) himself dealt with the issue of Imamate and the doubts surrounding it

After the martyrdom of Imam Reza (AS), what seemed necessary and important about the succession and Imamate of Imam Javad (AS) was the consolidation of his Imamate. Therefore, before the Shiites tested and questioned the Imam, Imam Javad (AS) himself dealt with the issue of Imamate and the doubts surrounding it, and in this way established his succession and Imamate