JSFiddle - React, Tailwind, and code Playground

HTML

<input class="activeInput" type="text" name="key1" value="red">
<input class="activeInput" type="text" name="key3" value="France">

JavaScript

var values = [];
$('.activeInput').each(function() {
    values[this.name] = this.value;
});
    
console.log(values['key1'], values['key3']);