Add customization of default lang

Hi, could someone with edit rights let the langcode be set by something like this:

	if (typeof window.CustomNECDefaultLanguage == 'undefined') {
    // window.CustomNECDefaultLanguage is not defined, set to defaults
    window.CustomNECDefaultLanguage = 
    "en";
	}

I do not see how that sole if statement is going to add support of customization.

I did something like that in this script and it works fine. User:So9q/TranslationAdder-InputFiller.js

But this script has to use this CustomNECDefaultLanguage somehow.

Yes of course.

What about this:

	if (typeof window.CustomNECDefaultLanguage == 'undefined') {
    // window.CustomNECDefaultLanguage is not defined, set to defaults
    window.CustomNECDefaultLanguage = 
    "en";
	}
    var neccode = window.CustomNECDefaultLanguage; // this replaces line 21