This is very confusing. If you see what version of javascript in:
firefox 3.6: *1.8* opera 10: *2* IE 8: *1.3* (why this is 1.3? JScript version in IE8 is 5.8) chrome 8: 1.7 2010/12/7 David Flanagan <[email protected]> > ECMAScript is the standard that defines the language commonly known as > JavaScript. Version 3 has been stable for about a decade. Version 1 is > very, very old. Version 2 was just a minor bug release. Version 4 was > never released. Version 5 is brand new and is being implemented currently. > Firefox 4 seems likely to be the first browser that ships with an ES5 > implementation. > > "JavaScript" is a name with trademark restrictions, or something, which is > why Microsoft calls their version "JScript". Version numbers following > "JavaScript" are Mozilla-specific. > > All you really need to know is that all browsers have supported ES3 for > years and all will eventually support ES5. I don't think IE9 will support > ES5, however, so we may have to wait for IE10 before we have a full set of > current browsers that support the language. > > David Flanagan > > > > On 12/07/2010 06:24 AM, Acaz Souza Pereira wrote: > >> I know that have ECMAScript 3th edition and 5th edition. >> >> But exist JavaScript 1.5 and 1.6, what the purpose of each? >> >> ECMAScript is all about language syntax? I don't understand. >> >> Thank you guys. >> >> >> >> _______________________________________________ >> JSMentors mailing list >> [email protected] >> http://jsmentors.com/mailman/listinfo/jsmentors_jsmentors.com >> > > > _______________________________________________ > JSMentors mailing list > [email protected] > http://jsmentors.com/mailman/listinfo/jsmentors_jsmentors.com >
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