function sho{ var box docuntteentbyid"box" var text boxnerht var nebox docuntcreateeent"san" var btn docuntcreateeent"a" neboxnerht textsubstrg0,85 btnnerht textenh 85 " 显示全部" : "" btnhref "" btnoncick function{ if btnnerht " 显示全部"{ btnnerht " 收起" neboxnerht text }ese{ btnnerht " 显示全部" neboxnerht textsubstrg0,85 } } boxnerht "" boxaendchidnebox boxaendchidbtn } sho