characters after slash that make a http protocol

I want to know which character after a slash is considered a slash and creates a protocol

Created by: InsertScript

Created on: 4/3/2024, 8:59:48 PM

Updated on: 5/18/2024, 8:41:22 PM

Vector type: XSS

Template used:
<a href="/$[chr]test.com/" id="test$[i]"></a>

Code used after fuzz:
if(document.getElementById("test$[i]").host=="test.com"){log($[i])}