JSFiddle - React, Tailwind, and code Playground

HTML

<div class="withselector">
<form class="edit-withselector">
    <input class="edit-title" type="text" value="dolor" />
    <input class="edit-description" type="text" value="ipsum" />
    <input class="edit-leaders" type="text" value="lorem" />
</form>
</div>
<div class="withoutselector">
<form class="edit-withoutselector">
    <input class="edit-title" type="text" value="dolor" />
    <input class="edit-description" type="text" value="ipsum" />
    <input class="edit-leaders" type="text" value="lorem" />
</form>
</div>

CSS

.edit-withselector {
    background: red;
    padding: 10px;
}

.edit-withoutselector {
    background: blue;
    padding: 10px;
}

JavaScript

$('.withselector').on('blur', '.edit-withselector', function(event) {
    console.log('with blur');
});

$('.edit-withoutselector').on('blur', function(event) {
    console.log('without blur');
});