Looking for logging into the Jmeter Javascript site and are not getting the correct working link for it? In such a case, you can use the links given here by searching your desired login page in the search box. If the page is present on our website then you will get all the links related to the Jmeter Javascript site. After that you can login as usual with your login credentials.
https://stackoverflow.com/questions/37702572/how-to-login-in-jmeter-on-java-script-popup
https://guide.blazemeter.com/hc/en-us/articles/207421705-How-to-use-JMeter-for-Login-Authentication
https://www.blazemeter.com/blog/fill-forms-and-submit-with-jmeter-made-easy
https://shantonusarker.blogspot.com/2015/07/javascript-in-jmeter-bsf-jsr223.html
https://sqa.stackexchange.com/questions/13967/how-to-login-to-a-web-application-using-jmeter
https://jmeter.apache.org/api/org/apache/jmeter/functions/JavaScript.html
https://jmeter.apache.org/usermanual/functions.html
https://jmeter.apache.org/usermanual/best-practices.html
https://jmeter.apache.org/usermanual/component_reference.html
https://www.3pillarglobal.com/insights/performance-testing-of-a-restful-api-using-jmeter
http://www.cuba-platform.com/discuss/t/performance-testing-problem-jmeter/1173
https://stories.schubergphilis.com/stress-load-testing-a-java-enabled-web-site-with-jmeter-137722fb7653
https://community.appian.com/discussions/f/general/4715/hi-all-we-are-trying-to-do-performance-testing-using-jmeter-we-are