JSFiddle - React, Tailwind, and code Playground
HTML
<input type="radio" name="choice" value="1"/> 1
<input type="radio" name="choice" value="2"/> 2
<input type="radio" name="choice" value="3"/> 3
<input type="button" onclick="checkAnswer(1,1,0)" value="Check" />
<div id="databox">
</div>
JavaScript
var last = 1;
var databox = $('#databox').get(0);
function checkAnswer(result,id, corrected)
{
var value;
var choice=document.getElementsByName('choice');
for(var i=0;i<choice.length;i++) //checkAnswer() function e problem ache
{
if(choice[i].checked)
{
value=choice[i].value;
}
}
if(value==result)
{
corrected++;
}
if(id==last)
{
databox.innerHTML='<h3> You have given '+corrected+' correct answers out of '+last;
}
}