window location href and location reload() both redirects a page to a new page but there are some difference to follow.
Here is the difference between window.location.href and location.reload:
window.location.href is not a method. It is a property which will tell you the current URL location of the browser. Changing the value of the property will redirect the page.
window.location.href = 'http://www.namasteui.com';
The window.location.reload() method is used to reload the current document. It acts same as the reload button in our browser.
window.location.reload() is supposed to accept the argument that tells to do hard reload from the server by setting the forceGet parameter to true i.e. ignoring the cache.
Another thing is that window.location.reload() reloads the current page with POST data, whereas window.location.href = window.location.href does not include the POST data.