Hi all, Just looking around at JScript 5.8 I see there's the JSON object which will help with parsing, etc. Are there any other obvious new cool, useful features comared to the previous version of JScript supported by TC? Any more OOP features?Thanks for any insightsm

JScript 5.8 is equivalent to ECMAScript 3. Be careful pulling things from StackOverflow, as most javascript developers are writing against ECMAScript 5. You can do a little inheritance, but it's kind of clunky.

Yes, version 5.8 in TC9, TC10, and TC11. I imagine that the developers turned on JSON support as described in JSON Object (Windows Scripting - JScript) (but I don't really know for sure). Since I had to prove to myself that the JSON object is now in TC11, I wrote a little test routine: function JSONtest() { Log.Message(ScriptEngine() + " " + ScriptEngineMajorVersion() + "." + ScriptEngineMinorVersion() + " (" + ScriptEngineBuildVersion() + ")"); var JSONexists = (typeof JSON == "object"); Log.Message("JSON exists: " + JSONexists); if (JSONexists) { var o = {x:1, y:{z:[false,null,""]}}; var s = JSON.stringify(o); var p = JSON.parse(s); Log.Message("JSON test: " + s); } } and, of course, the JSON object does not exist in TestComplete 9 and 10, and does exist in TestComplete 11.

I ran this code against TC9.2, and it comes back as JSON exists: false. What's interesting is that according to this page: https://msdn.microsoft.com/en-us/library/s4esdbwz(v=vs.84).aspx, eval has always been in JScript 5.8, and that's the magic we use in order to utilize JSON functionality. We build JSON objects on the fly based on test results, and use JSON for test configuration to control various things. According to this page: https://en.wikipedia.org/wiki/JScript JScript 5.8 is ECMA-262 3rd Edition (JavaScript 3), with ECMA-327 (ES-CP, Compact Protocol, http://www.ecma-international.org/publications/files/ECMA-ST-WITHDRAWN/Ecma-327.pdf), which provides us with eval and with, and this document is no longer available on the ECMA website easily, which is why I provided a link to it. I'd like to see what this JSON object provides in the way of functionality.

I wish I had a more satisfying answer, but it's just JSON for now. We still use the JScript engine from Windows Script Host. Edit: Another JScript 5.8 feature that slipped from our release notes is support for the index operator [] on strings: "abc"[2].

JScript 5.8 - new features? | SmartBear Community

10 Replies

will_fetherolf
Contributor
9 years ago
JScript 5.8 is equivalent to ECMAScript 3. Be careful pulling things from StackOverflow, as most javascript developers are writing against ECMAScript 5. You can do a little inheritance, but it's kind of clunky.
- chrisb
  Regular Contributor
  9 years ago
  Thanks Will.
  - chrisb
    Regular Contributor
    9 years ago
    So if I'm understanding the ECMA standard I am looking at right now the Javascript functionality has been 'updated' to what was the latest and greatest in 1999? http://www.ecma-international.org/publications/files/ECMA-ST-ARCH/ECMA-262,%203rd%20edition,%20December%201999.pdf
HKosova
SmartBear Alumni (Retired)
9 years ago
I wish I had a more satisfying answer, but it's just JSON for now. We still use the JScript engine from Windows Script Host.

Edit: Another JScript 5.8 feature that slipped from our release notes is support for the index operator [] on strings: "abc"[2].
- maximojo
  Frequent Contributor
  9 years ago
  Thanks.
  
  I know there have been other threads about updating JScript and I thought there would be support for more OOP constructs like classes, etc. But perhaps not. No worries!
  - chrisb
    Regular Contributor
    9 years ago
    I'd assume now that the Javascript engine is updated you could just check the ECMA standards for that version of Javascript. Asking if there are new 'cool' features seems like a subjective question to me.
    As for OOP... http://stackoverflow.com/questions/107464/is-javascript-object-oriented

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JScript 5.8 - new features?

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