[BcY]

Code:

tablename = {1,5,12,3,"test"}

The output will be 5

Code:

table.getn(tablename)

Example Usage:

Code:

print(table.getn(tablename))

---

or

Code:

#tablename

Example Usage:

Code:

print(#tablename)

---

or

Code:

function tablelength(tablename)
  count = 0
  for _ in pairs(tablename) do count = count + 1 end
  return count
end

Example Usage:

Code:

function tablelength(tablename)
 count = 0
 for _ in pairs(tablename) do count = count + 1 end
 return count
end

function test()
tablelength(tablename)
print(count)
end test()