JSFiddle - React, Tailwind, and code Playground

by tanvir_alam_shawn

HTML

<link rel="stylesheet" href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.6/themes/ui-lightness/jquery-ui.css">
<ul id="sliders">
    <li>
        <div class="slider">100</div>
        <span class="value">0</span>
    </li>
    <li>
        <div class="slider">0</div>
        <span class="value">0</span>
    </li>
    <li>
        <div class="slider">0</div>
        <span class="value">0</span>
    </li>
    <li>
        <div class="slider">0</div>
        <span class="value">0</span>
    </li>
</ul>

CSS

#sliders {
    width: 300px;
    padding: 20px;
}

#sliders li {
    margin-bottom: 10px;
}

#sliders div {
    margin-bottom: 5px;
}

JavaScript

var sliders = $("#sliders .slider");
var availableTotal = 100;

sliders.each(function() {
    var init_value = parseInt($(this).text());

    $(this).siblings('.value').text(init_value);

    $(this).empty().slider({
        value: init_value,
        min: 0,
        max: availableTotal,
        range: "max",
        step: 1,
        animate: 0,
        slide: function(event, ui) {
            
            // Update display to current value
            $(this).siblings('.value').text(ui.value);

            // Get current total
            var total = 0;

            sliders.not(this).each(function() {
                total += $(this).slider("option", "value");
            });

            // Need to do this because apparently jQ UI
            // does not update value until this event completes
            total += ui.value;

            var delta = availableTotal - total;
            
            // Update each slider
            sliders.not(this).each(function() {
                var t = $(this),
                    value = t.slider("option", "value");

                var new_value = value + (delta/2);
                var newBalance = ui.value - new_value;
                
                if (new_value < 0 || ui.value == 100) 
                    new_value = 0;
                if (new_value > 100) 
                    new_value = 100;
								
                if (new_value % 2 !== 0) {
                	new_value = Math.round(new_value);
                }
                console.log(ui, value, delta, new_value, newBalance)
                t.siblings('.value').text(new_value);
                t.slider('value', new_value);
            });
        }
    });
});