Is there a “createObject” in javascript?

问题

In VBScript there is a function called CreateObject, which can be run on a client through a webpage. I've used it before like this:

Set icaObj = CreateObject("Citrix.ICAClient")
CitrixVersion = icaObj.ClientVersion

To find out which version of the application was installed on the client machine.

Is there something comparable in JavaScript?

回答1:

Is there something comparable in JavaScript?

Not in JavaScript, but in Microsoft's JScript in limited environments, yes:

var icaObj = new ActiveXObject("Citrix.ICAClient");

And just like VBScript, this will only work in a very limited situation: Specificially, something running with Internet Explorer with full permissions (or, of course, in JScript running on the server).

来源：https://stackoverflow.com/questions/19414323/is-there-a-createobject-in-javascript