JSFiddle - React, Tailwind, and code Playground

HTML

<!doctype html>
<html>
    <head>
        <meta charset="utf-8"/>
        <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"/>
        <title>Click Position Test</title>
    </head>
    
    <body lang="en">
        <div style="margin: 1em 0;"><input id="a" type=radio onclick="alert(window.event.pageX)"><label for="a">Click Event on Radio</label></div>eee
        
        <div style="margin: 1em 0;"><input id="a" type=radio ><label for="a" onclick="alert(window.event.pageX)">Click Event on Label</labelde></div>
    </body>
</html>