The zip file contains a README with quick instructions to get you started. User Documentation You can read more about Closure Compiler at We also have a few low-key wiki pages at Please suggest new ones if you see anything missing. Developer Documentation The Closure Compiler javadocs are available at You can browse the source at We accept patches :) ECMAScript 5 Strict Mode, JSON, and More. Previously I analyzed ECMAScript 5’s Object and Property system.
Almost all prototype-based systems are based on interpreted and dynamically typed languages. Object construction Systems that support ex nihilo object creation allow new objects to be created from scratch without cloning from an existing prototype. This example in JS 1.8.5 + ( see ) Delegation Concatenation The main conceptual difference under this arrangement is that changes made to a prototype object are not automatically propagated to clones. Criticism Top Down Operator Precedence. Douglas Crockford Introduction Vaughan Pratt presented "Top Down Operator Precedence" at the first annual Principles of Programming Languages Symposium in Boston in 1973.