Function stripBaseUrl

test/angular/1.7/angular.js:14463–14467

* * @param {string} base * @param {string} url * @returns {string} returns text from `url` after `base` or `undefined` if it does not begin with * the expected string.

(base, url)

 *                   the expected string.
 */
function stripBaseUrl(base, url) {
  if (startsWith(url, base)) {
    return url.substr(base.length);
  }
}

function stripHash(url) {
  var index = url.indexOf('#');