Firefox 31 for developers

Web 开发者需要关注的变化

Developer Tools

No change.

CSS

• CSS变量的语法从旧的 "var-" 前缀更新为新的 "--" 前缀.(bug 985838)
• Unwanted white space for multiple of 10,000 in Korean counte.(bug 985186)

HTML

No change.

JavaScript

实现了如下 ECMAScript 6 新特性:

• Array 方法: Array.prototype.fill() (bug 911147)
• Math 函数: Math.clz32() (bug 925123)
• String 方法: String.prototype.normalize() (bug 918987).

Interfaces/APIs/DOM

• Constructor of KeyboardEvent has been implemented (bug 930893).
• KeyboardEvent.initKeyboardEvent() has been implemented (bug 930893).
• KeyboardEvent.isComposing attribute has been implemented (bug 993234).
• InputEvent interface has been implemented (bug 993253).
• InputEvent.isComposing attribute has been implemented (bug 993253).

MathML

No change.

SVG

No change.

Audio/Video

No change.

Security

No change.

Changes for add-on and Mozilla developers

No change.

See also

• Site Compatibility for Firefox 31

Older versions