JSFiddle - React, Tailwind, and code Playground
JavaScript
var str= "http://localhost:8080/Blah.ff?param=1¶m=2";
var str2 = str.substr(str.indexOf("?"), str.length-3);
alert(str2)
var str= "http://localhost:8080/Blah.ff?param=1¶m=2";
var str2 = str.substr(str.indexOf("?"), str.length-3);
alert(str2)