def javascript_catalog(request, domain='djangojs', packages=None):
    warnings.warn(
        "The javascript_catalog() view is deprecated in favor of the "
        "JavaScriptCatalog view.", RemovedInDjango20Warning, stacklevel=2
    )
    locale = _get_locale(request)
    packages = _parse_packages(packages)
    catalog, plural = get_javascript_catalog(locale, domain, packages)
    return render_javascript_catalog(catalog, plural)
Returns the selected language catalog as a javascript library.
dataset/ETHPy150Open django/django/django/views/i18n.py/javascript_catalog