JSFiddle - React, Tailwind, and code Playground

HTML

<input type="radio" name="LanguageSelect"  id="LanguageSelect1" value="English" checked="checked">English &nbsp;&nbsp;

<input type="radio" name="LanguageSelect"  id="LanguageSelect2" value="Tamil">Tamil &nbsp;&nbsp;
<input type="radio" name="LanguageSelect"  id="LanguageSelect3" value="Hindi">Hindi</div><br>
<input type="button" class="button5" value="Continue" onclick="alertValue()" />

JavaScript

alertValue = function(){
    var language1 = document.getElementById('LanguageSelect1');
    var language2 = document.getElementById('LanguageSelect2');
    var language3 = document.getElementById('LanguageSelect3');
    
    if(language1.checked)
        alert(language1.value);
    if(language2.checked)
        alert(language2.value);
    if(language3.checked)
        alert(language3.value);
}