JavaScript is a trademark of Sun Microsystems. The language was originally
called Live Script and its name was later changed to JavaScript.
This will explain briefly all about JavaScript, and its use to display message
boxes, change images when a user rolls a mouse over an area of the webpage.
Last updated on 2019年07月25日
此版本包含小幅錯誤修正和一般改善。請更新至最新版本，以獲得最佳體驗。
