is-document.all

Is this value document.all, i.e. an object with the [[IsHTMLDDA]] internal slot?

Example

var isDocumentAll = require('is-document.all');
var assert = require('assert');

assert(!isDocumentAll(undefined));
assert(!isDocumentAll(null));
assert(!isDocumentAll({}));
assert(!isDocumentAll(function () {}));

// in a browser:
assert(isDocumentAll(document.all));

Tests

Simply clone the repo, npm install, and run npm test