Function does not remove and add class

I have a script that basically is to remove the class “no-js” from the body and add the class “js”, but the script is not working. What did I do wrong?

<!doctype html>
<html lang="pt-br">
    <head>
        <title> Infusion </title>     
    </head>
    
    <body class="no-js">
    </body>
</html>



function removeClassBody(){
    var body = document.querySelector('body');
    body.classList.remove('no-js');
    body.classList.add('js');
}

()removeClassBody;

Answer

You have to call the function like thie removeClassBody();

function removeClassBody(){
    var body = document.querySelector('body');
    body.classList.remove('no-js');
    body.classList.add('js');
}

removeClassBody();

<!doctype html>
<html lang="pt-br">
    <head>
        <title> Infusion </title>     
    </head>
    
    <body class="no-js">
    </body>
</html>

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Answer