... Chapter 1 • Introduction to JavaScript So where is JavaScript now? As of December 2009, the ECMA-262 Standard is in its 5th edition. JavaScript is a dialect of ECMAScript, but JavaScript 1.8 is comparable ... JScript 5.5, 5.6, 5.7, 6 JavaScript 1.6 2006 Mozilla Firefox, Safari JavaScript 1.7 2006 Mozilla Firefox, Safari, Google Chrome JavaScript 1.8 2008 Mozilla Firefox JavaScript is supported by ... Fresco on RISC OS also support JavaScript. Figure 1.10 JavaScript2 and the Web, an informative paper by Brendan Eich.Table 1.3 JavaScript Versions (continued) JavaScript orJScript Version Browsers...