JSFiddle - React, Tailwind, and code Playground
by Ron Eaglin
HTML
<input type="textbox" id="text"/>
<input type="button" value="Encode" onclick="getSelector(document.getElementById('text').value);" />
JavaScript
function getSelector(_query){
var i = _query.indexOf("selector=");
var s = encodeURI(_query.substring(i+9));
alert(s);
}