as: var x = "179769313486231580793728971405303415079934132710037826936173778980444968292764750946649017977587207096330286416692887910946555547851940402630657488671505820681908902000708383676273854845817711531764475730270069855571366959622842914819860834936475292719074168444365510704342711559699508093042880177904174497791"; print(Number(x)); print(Number(x) == 1.79769313486231e+308); Actual Results: 1.79769313486231e+308 false Expected Results: 1.79769313486231e+308 true - same as spidermonkey Workaround: none Transferred Comments: BugDB Migration - Mon Jun 04 12:33:01 CDT 2007 [cpeyer 10/20/06] Entered Bug. [cpeyer 10/20/06] Sending to QRB JIRA Migration Admin - Mon Jun 04 12:33:01 CDT 2007 Milestone ID = 1378 Milestone = FP 10 - Code Complete Build ID = 22846 Build = AVMPLUS_1_0_0_d686 Fix Build ID = null Fix Build = null JIRA Migration Admin - Mon Jun 04 12:33:01 CDT 2007 Move from BugDB issue number 188991 Trevor Baker - Tue Jan 27 16:41:05 CST 2009 send to internal review for prioritization This bug transferred from: http://bugs.adobe.com/jira/browse/ASC-2294

Likely a bug in the string->number conversion in the AS3 builtins, which is known not to be entirely compatible with the one used in ASC.

confirmed that the tamarin-redux shell is producing results that do not match spidermonkey Actual Results: 1.79769313486231e+308 false Expected Results: 1.79769313486231e+308 true - same as spidermonkey