JSFiddle - React, Tailwind, and code Playground

HTML

<div class="mouseDownOnOut">Some text</div>

JavaScript

$(function ()
{
    var MouseDown = false;
    $('.mouseDownOnOut').mouseout(function ()
    {
        if (MouseDown)
        {
            alert('mouse was down when it left');
        }
        else
        {
            alert('mouse wasn\'t down when it left');   
        }
    });
    $('.mouseDownOnOut').mousedown(function ()
    {
        MouseDown = true;
    });
    $('.mouseDownOnOut').mouseup(function ()
    {
        MouseDown = false;
    });
});