摘要：
1. Once if A has many instances, adding a new method A.B() to A.prototype will make all instances can use B() right away. 2. A.B() will hide A.prototype.B(). 3. All Javascript predefined Objects, prot... 阅读全文
摘要：
• Canvas (2D and 3D)• Channel messaging• Cross-document messaging• Geolocation •MathML• Microdata• Server-Sent events• Scalable Vector Graphics (SVG)• WebSocket API and protocol• Web origin concept• W... 阅读全文