Why is the key 0

[vaecou]

func TestParseJSON(t *testing.T) { str :=[ {"drawNumber":"51117487"}, {"drawNumber":"51117486"}, {"drawNumber":"51117485"}, {"drawNumber":"51117484"}, {"drawNumber":"51117483"}, {"drawNumber":"51117482"}, {"drawNumber":"51117481"}, {"drawNumber":"51117480"}, {"drawNumber":"51117479"}, {"drawNumber":"51117478"}, {"drawNumber":"51117477"}, {"drawNumber":"51117476"}, {"drawNumber":"51117475"}, {"drawNumber":"51117474"}, {"drawNumber":"51117473"}, {"drawNumber":"51117472"}, {"drawNumber":"51117471"}, {"drawNumber":"51117470"} ]gjson.Parse(str).ForEach(func(key, value gjson.Result) bool { fmt.Println("key", key.Int()) fmt.Println("key", value.Get("drawNumber").Int()) return true }) }