val words = arrayOf("hello", "world", "kotlin")
// 将数组元素连接成字符串，使用 ", " 作为分隔符
val joinedString = words.joinToString(", ", "Words: ", ".", -1, "...") { it.toString() }
// 输出：连接后的字符串: Words: hello, world, kotlin.
_console.log("连接后的字符串: ", joinedString)