How to see chat history in facebook if I cleared it from the top?

I talked with my friend in the end, I cleared it from the top button(clear history) but I want to see that chat again i tried javascript:Chat.openTab(ID Here); but it works when a person did not cleat that history but only cancel it by button (x) plz tell me how to see chat history that i cleared atleast 1... show more I talked with my friend in the end, I cleared it from the top button(clear history)
but I want to see that chat again
i tried
javascript:Chat.openTab(ID Here);
but it works when a person did not cleat that history but only cancel it by button (x)

plz tell me how to see chat history that i cleared
atleast 1 or 2 hours ago or else
Update: when I tried this code window pop ups but as I said it did not work if a person cleared the history
javascript:Chat.openTab(ID here);
2 answers