The phrase 'じゃね' is a casual way of saying goodbye in Japanese. It is commonly used among friends and in informal settings. It is not appropriate for formal situations.
じゃね、また明日あした。
Ja ne, mata ashita.
See you, tomorrow.
じゃね、気きをつけて。
Ja ne, ki o tsukete.
Bye, take care.
さようなら (sayōnara)
goodbye
またね (matane)
see you later
バイバイ (bai bai)
bye-bye
