In this video i have shown four different ways to get the alert(1).
https://portswigger.net/web-security/...
"Cross-site Scripting (XSS) continues to be the most awarded vulnerability type with
US $4.2 million in total bounty awards, up 26% from the previous year. XSS vulnerabilities are extremely common and hard to eliminate, even for organizations with the most mature application security."