JSFiddle - React, Tailwind, and code Playground

HTML

<form>
    <input type="text" value="q" />

    <input type="text" value="3e" />

    <textarea rows="20" cols="20"></textarea>

    <input type="submit" value="submit" />

</form>

JavaScript

$( function(){
    var arr = []
    $('form').find('input, textarea, select').each( function(){
        arr.push(this.value)                
    })
    
    alert(arr.join(', '))
})