Returns the current URL without any parameters.
Use String.prototype.indexOf() to check if the given url has parameters, String.prototype.slice() to remove them if necessary.
代码片段
const getBaseURL = url =>
url.indexOf('?') > 0 ? url.slice(0, url.indexOf('?')) : url;
使用样例
getBaseURL('http://url.com/page?name=Adam&surname=Smith'); // 'http://url.com/page'