JavaScript 1.4的新特性

The following is a changelog for JavaScript 1.4, which was only used for Netscape's server side JavaScript released in 1999. The old Netscape documentation can be found on archive.org.

JavaScript 1.4的新特性

• 异常处理 (throw 和 try...catch)
• in 运算符
• instanceof 运算符

JavaScript 1.4的功能改动

• eval() changes (不能被间接唤起，也不再是Object的一个方法)
• arguments 不再是函数的属性
• Deprecated Function.arity in favor of Function.length
• Changes to LiveConnect