Matthew Henry on 2 Chronicles 24:15–end
We have here a sad account of the degeneracy and apostasy of Joash. God had done great things for him; he had done something for God; but now he proved ungrateful to his God and false to the engagements he had laid himself under to him. How has the gold become dim, and the most fine gold changed! Here we find,
I. The occasions of his apostasy. When he did that which was right it was not with a perfect heart. He never was sincere, never acted from principle, but in compliance to Jehoiada, who had helped him to the crown, and because he had been protected in the temple and rose upon the ruins of idolatry; and therefore, when the wind turned, he turned with it. 1. His good counsellor left him,…
Read the whole note in the consoleJamieson-Fausset-Brown on 2 Chronicles 24:15
JEHOIADA BEING DEAD. (Ch2 24:15-16)
Jehoiada waxed old . . . and died--His life, protracted to unusual longevity and spent in the service of his country, deserved some tribute of public gratitude, and this was rendered in the posthumous honors that were bestowed on him. Among the Hebrews, intramural interment was prohibited in every city but Jerusalem, and there the exception was made only to the royal family and persons of eminent merit, on whom the distinction was conferred of being buried in the city of David, among the kings, as in the case of Jehoiada.
Adam Clarke on 2 Chronicles 24:8
They made a chest - See the notes on the parallel places, Kg2 12:4 (note), etc.
John Gill on 2 Chronicles 24:15
But Jehoiada waxed old, and was full of days when he died,.... A very old man; few at this time arrived to such an age; he was a rare instance:
One hundred and thirty years old was he when he died; the oldest man we read of from the times of Moses, and older than he by ten years.
Tyndale Open Study Notes on 2 Chronicles 24:15-16
A lifespan of 130 years indicates that Jehoiada received great blessing by the Lord. Further, his royal burial as a priest-king shows great honor from the people.