JSFiddle - React, Tailwind, and code Playground
HTML
<script src="http://searls.github.io/jasmine-all/jasmine-all-min.js"></script>
JavaScript
describe("Spy argumnts access", function() {
it("should access 1st argument to spy", function() {
var mockCallback = jasmine.createSpy("mockCallback");
mockCallback("denis", 22, {unknown: 1})
expect(mockCallback).toHaveBeenCalled();
expect(mockCallback.argsForCall[0][0]).toBe("denis");
});
});