(function($) {
    "use strict"

    //basic slider
    let basicSlide = document.getElementById('basic-slider');
    noUiSlider.create(basicSlide, {
        start: [20, 80],
        connect: true,
        range: {
            'min': 0,
            'max': 100
        }
    });
    //basic slider ^


    //keyboard slider 
    let keyboardslider = document.getElementById('keyboardslider');
    noUiSlider.create(keyboardslider, {
        start: 10,
        step: 10,
        range: {
            'min': 0,
            'max': 100
        }
    });

    var handle = keyboardslider.querySelector('.noUi-handle');
    handle.addEventListener('keydown', function (e) {

        var value = Number(keyboardslider.noUiSlider.get());

        if (e.which === 37) {
            keyboardslider.noUiSlider.set(value - 10);
        }

        console.log(e)
        console.log(e.which)

        if (e.which === 39) {
            keyboardslider.noUiSlider.set(value + 10);
        }
    });
    //keyboard slider ^


    //working with date
    // Create a new date from a string, return as a timestamp.
    function timestamp(str) {
        return new Date(str).getTime();
    }

    var dateSlider = document.getElementById('slider-date');

    noUiSlider.create(dateSlider, {
    // Create two timestamps to define a range.
        range: {
            min: timestamp('2010'),
            max: timestamp('2016')
        },

    // Steps of one week
        step: 7 * 24 * 60 * 60 * 1000,

    // Two more timestamps indicate the handle starting positions.
        start: [timestamp('2011'), timestamp('2015')],

    // No decimals
        format: wNumb({
            decimals: 0
        })
    });

    var dateValues = [
        document.getElementById('event-start'),
        document.getElementById('event-end')
    ];

    // Create a list of day and month names.
    var weekdays = [
        "Sunday", "Monday", "Tuesday",
        "Wednesday", "Thursday", "Friday",
        "Saturday"
    ];

    var months = [
        "January", "February", "March",
        "April", "May", "June", "July",
        "August", "September", "October",
        "November", "December"
    ];

    
    
    dateSlider.noUiSlider.on('update', function (values, handle) {
        dateValues[handle].innerHTML = formatDate(new Date(+values[handle]));
    });

    // Append a suffix to dates.
    // Example: 23 => 23rd, 1 => 1st.
    function nth(d) {
        if (d > 3 && d < 21) return 'th';
        switch (d % 10) {
            case 1:
                return "st";
            case 2:
                return "nd";
            case 3:
                return "rd";
            default:
                return "th";
        }
    }

    // Create a string representation of the date.
    function formatDate(date) {
        return weekdays[date.getDay()] + ", " +
            date.getDate() + nth(date.getDate()) + " " +
            months[date.getMonth()] + " " +
            date.getFullYear();
    }
    //working with date ^


    //html5 input element
    var select = document.getElementById('input-select');
    // Append the option elements
    for (var i = -20; i <= 40; i++) {

        var option = document.createElement("option");
        option.text = i;
        option.value = i;

        select.appendChild(option);
    }

    var html5Slider = document.getElementById('html5');
    noUiSlider.create(html5Slider, {
        start: [10, 30],
        connect: true,
        range: {
            'min': -20,
            'max': 40
        }
    });

    var inputNumber = document.getElementById('input-number');
    html5Slider.noUiSlider.on('update', function (values, handle) {

        var value = values[handle];

        if (handle) {
            inputNumber.value = value;
        } else {
            select.value = Math.round(value);
        }
    });

    select.addEventListener('change', function () {
        html5Slider.noUiSlider.set([this.value, null]);
    });

    inputNumber.addEventListener('change', function () {
        html5Slider.noUiSlider.set([null, this.value]);
    });
    //html5 input element ^


    //non-linear slider
    var nonLinearSlider = document.getElementById('nonlinear');
    noUiSlider.create(nonLinearSlider, {
        connect: true,
        behaviour: 'tap',
        start: [500, 4000],
        range: {
            // Starting at 500, step the value by 500,
            // until 4000 is reached. From there, step by 1000.
            'min': [0],
            '10%': [500, 500],
            '50%': [4000, 1000],
            'max': [10000]
        }
    });

    var nodes = [
        document.getElementById('lower-value'), // 0
        document.getElementById('upper-value')  // 1
    ];
    
    // Display the slider value and how far the handle moved
    // from the left edge of the slider.
    nonLinearSlider.noUiSlider.on('update', function (values, handle, unencoded, isTap, positions) {
        nodes[handle].innerHTML = values[handle] + ', ' + positions[handle].toFixed(2) + '%';
    });
    //non-linear slider ^


    //locking sliders together
    var lockedState = false;
    var lockedSlider = false;
    var lockedValues = [60, 80];

    var slider1 = document.getElementById('slider1');
    var slider2 = document.getElementById('slider2');

    var lockButton = document.getElementById('lockbutton');
    var slider1Value = document.getElementById('slider1-span');
    var slider2Value = document.getElementById('slider2-span');

    // When the button is clicked, the locked state is inverted.
    lockButton.addEventListener('click', function () {
        lockedState = !lockedState;
        this.textContent = lockedState ? 'unlock' : 'lock';
    });

    function crossUpdate(value, slider) {

        // If the sliders aren't interlocked, don't
        // cross-update.
        if (!lockedState) return;
    
        // Select whether to increase or decrease
        // the other slider value.
        var a = slider1 === slider ? 0 : 1;
    
        // Invert a
        var b = a ? 0 : 1;
    
        // Offset the slider value.
        value -= lockedValues[b] - lockedValues[a];
    
        // Set the value
        slider.noUiSlider.set(value);
    }

    noUiSlider.create(slider1, {
        start: 60,
    
        // Disable animation on value-setting,
        // so the sliders respond immediately.
        animate: false,
        range: {
            min: 50,
            max: 100
        }
    });
    
    noUiSlider.create(slider2, {
        start: 80,
        animate: false,
        range: {
            min: 50,
            max: 100
        }
    });
    
    slider1.noUiSlider.on('update', function (values, handle) {
        slider1Value.innerHTML = values[handle];
    });
    
    slider2.noUiSlider.on('update', function (values, handle) {
        slider2Value.innerHTML = values[handle];
    });

    function setLockedValues() {
        lockedValues = [
            Number(slider1.noUiSlider.get()),
            Number(slider2.noUiSlider.get())
        ];
    }
    
    slider1.noUiSlider.on('change', setLockedValues);
    slider2.noUiSlider.on('change', setLockedValues);
    
    slider1.noUiSlider.on('slide', function (values, handle) {
        crossUpdate(values[handle], slider2);
    });
    
    slider2.noUiSlider.on('slide', function (values, handle) {
        crossUpdate(values[handle], slider1);
    });
    //locking sliders together ^


    //Moving the slider by clicking pips
    var pipsSlider = document.getElementById('slider-pips');
    noUiSlider.create(pipsSlider, {
        range: {
            min: 0,
            max: 100
        },
        start: [50],
        pips: {mode: 'count', values: 5}
    });

    var pips = pipsSlider.querySelectorAll('.noUi-value');
    function clickOnPip() {
        var value = Number(this.getAttribute('data-value'));
        pipsSlider.noUiSlider.set(value);
    }

    for (var i = 0; i < pips.length; i++) {

        // For this example. Do this in CSS!
        pips[i].style.cursor = 'pointer';
        pips[i].addEventListener('click', clickOnPip);
    }
    //Moving the slider by clicking pips ^


    //Colored Connect Elements
    var slider = document.getElementById('slider-color');
    noUiSlider.create(slider, {
        start: [4000, 8000, 12000, 16000],
        connect: [false, true, true, true, true],
        range: {
            'min': [2000],
            'max': [20000]
        }
    });

    var connect = slider.querySelectorAll('.noUi-connect');
    var classes = ['c-1-color', 'c-2-color', 'c-3-color', 'c-4-color', 'c-5-color'];

    for (var i = 0; i < connect.length; i++) {
        connect[i].classList.add(classes[i]);
    }
    //Colored Connect Elements ^


    //keypress slider
    var keypressSlider = document.getElementById('keypress');
    var input0 = document.getElementById('input-with-keypress-0');
    var input1 = document.getElementById('input-with-keypress-1');
    var inputs = [input0, input1];

    noUiSlider.create(keypressSlider, {
        start: [20, 80],
        connect: true,
        tooltips: [true, wNumb({decimals: 1})],
        range: {
            'min': [0],
            '10%': [10, 10],
            '50%': [80, 50],
            '80%': 150,
            'max': 200
        }
    });

    keypressSlider.noUiSlider.on('update', function (values, handle) {
        inputs[handle].value = values[handle];
    });

    // Listen to keydown events on the input field.
    inputs.forEach(function (input, handle) {

        input.addEventListener('change', function () {
            keypressSlider.noUiSlider.setHandle(handle, this.value);
        });

        input.addEventListener('keydown', function (e) {

            var values = keypressSlider.noUiSlider.get();
            var value = Number(values[handle]);

            // [[handle0_down, handle0_up], [handle1_down, handle1_up]]
            var steps = keypressSlider.noUiSlider.steps();

            // [down, up]
            var step = steps[handle];

            var position;

            // 13 is enter,
            // 38 is key up,
            // 40 is key down.
            switch (e.which) {

                case 13:
                    keypressSlider.noUiSlider.setHandle(handle, this.value);
                    break;

                case 38:

                    // Get step to go increase slider value (up)
                    position = step[1];

                    // false = no step is set
                    if (position === false) {
                        position = 1;
                    }

                    // null = edge of slider
                    if (position !== null) {
                        keypressSlider.noUiSlider.setHandle(handle, value + position);
                    }

                    break;

                case 40:

                    position = step[0];

                    if (position === false) {
                        position = 1;
                    }

                    if (position !== null) {
                        keypressSlider.noUiSlider.setHandle(handle, value - position);
                    }

                    break;
            }
        });
    });
    //keypress slider ^


    //skipstep slider
    var skipSlider = document.getElementById('skipstep');
    noUiSlider.create(skipSlider, {
        range: {
            'min': 0,
            '10%': 10,
            '20%': 20,
            '30%': 30,
            // Nope, 40 is no fun.
            '50%': 50,
            '60%': 60,
            '70%': 70,
            // I never liked 80.
            '90%': 90,
            'max': 100
        },
        snap: true,
        start: [20, 90]
    });

    var skipValues = [
        document.getElementById('skip-value-lower'),
        document.getElementById('skip-value-upper')
    ];
    
    skipSlider.noUiSlider.on('update', function (values, handle) {
        skipValues[handle].innerHTML = values[handle];
    });
    //skipstep slider ^


    //Using the slider with huge numbers
    var bigValueSlider = document.getElementById('slider-huge');
    var bigValueSpan = document.getElementById('huge-value');

    noUiSlider.create(bigValueSlider, {
        start: 0,
        step: 1,
        format: wNumb({
            decimals: 0
        }),
        range: {
            min: 0,
            max: 13
        }
    });

    // Note how these are 'string' values, not numbers.
    var range = [
        '0', '2097152', '4194304',
        '8388608', '16777216', '33554432',
        '67108864', '134217728', '268435456',
        '536870912', '1073741824',
        '2147483648', '4294967296',
        '8589934592'
    ];

    bigValueSlider.noUiSlider.on('update', function (values, handle) {
        bigValueSpan.innerHTML = range[values[handle]];
    });
    //Using the slider with huge numbers ^


    //creating a toggle
    var toggleSlider = document.getElementById('slider-toggle');
    noUiSlider.create(toggleSlider, {
        orientation: "vertical",
        start: 0,
        range: {
            'min': [0, 1],
            'max': 1
        },
        format: wNumb({
            decimals: 0
        })
    });

    toggleSlider.noUiSlider.on('update', function (values, handle) {
        if (values[handle] === '1') {
            toggleSlider.classList.add('off');
        } else {
            toggleSlider.classList.remove('off');
        }
    });
    //creating a toggle ^


    //soft limits
    var softSlider = document.getElementById('soft');
    noUiSlider.create(softSlider, {
        start: 50,
        range: {
            min: 0,
            max: 100
        },
        pips: {
            mode: 'values',
            values: [20, 80],
            density: 4
        }
    });

    softSlider.noUiSlider.on('change', function (values, handle) {
        if (values[handle] < 20) {
            softSlider.noUiSlider.set(20);
        } else if (values[handle] > 80) {
            softSlider.noUiSlider.set(80);
        }
    });
    //soft limits ^


    //color picker
    var resultElement = document.getElementById('result');
    var sliders = document.getElementsByClassName('sliders');
    var colors = [0, 0, 0];

    [].slice.call(sliders).forEach(function (slider, index) {

        noUiSlider.create(slider, {
            start: 127,
            connect: [true, false],
            orientation: "vertical",
            range: {
                'min': 0,
                'max': 255
            },
            format: wNumb({
                decimals: 0
            })
        });

        // Bind the color changing function to the update event.
        slider.noUiSlider.on('update', function () {

            colors[index] = slider.noUiSlider.get();

            var color = 'rgb(' + colors.join(',') + ')';

            resultElement.style.background = color;
            resultElement.style.color = color;
        });
    });
    //color picker ^


    //stepping and snapping the values
    var stepSlider = document.getElementById('slider-step');
    noUiSlider.create(stepSlider, {
        start: [4000],
        step: 1000,
        range: {
            'min': [2000],
            'max': [10000]
        }
    });

    var stepSliderValueElement = document.getElementById('slider-step-value');
    stepSlider.noUiSlider.on('update', function (values, handle) {
        stepSliderValueElement.innerHTML = values[handle];
    });
    //stepping and snapping the values ^


    //Stepping in non-linear sliders
    var nonLinearStepSlider = document.getElementById('slider-non-linear-step');
    noUiSlider.create(nonLinearStepSlider, {
        start: [500, 4000],
        range: {
            'min': [0],
            '10%': [500, 500],
            '50%': [4000, 1000],
            'max': [10000]
        }
    });

    var nonLinearStepSliderValueElement = document.getElementById('slider-non-linear-step-value');
    nonLinearStepSlider.noUiSlider.on('update', function (values, handle) {
        nonLinearStepSliderValueElement.innerHTML = values[handle];
    });
    //Stepping in non-linear sliders ^


    //Snapping between steps
    var snapSlider = document.getElementById('slider-snap');
    noUiSlider.create(snapSlider, {
        start: [0, 500],
        snap: true,
        connect: true,
        range: {
            'min': 0,
            '10%': 50,
            '20%': 100,
            '30%': 150,
            '40%': 500,
            '50%': 800,
            'max': 1000
        }
    });

    var snapValues = [
        document.getElementById('slider-snap-value-lower'),
        document.getElementById('slider-snap-value-upper')
    ];
    
    snapSlider.noUiSlider.on('update', function (values, handle) {
        snapValues[handle].innerHTML = values[handle];
    });
    //Snapping between steps ^


    //get and set slider values
    var slider = document.getElementById('slider');
    noUiSlider.create(slider, {
        start: [80],
        range: {
            'min': [0],
            'max': [100]
        }
    });

    // Set the slider value to 20
    document.getElementById('write-button').addEventListener('click', function () {
        slider.noUiSlider.set(20);
    });

    // Read the slider value.
    document.getElementById('read-button').addEventListener('click', function () {
        alert(slider.noUiSlider.get());
    });
    //get and set slider values ^


    //Number formatting
    var sliderFormat = document.getElementById('slider-format');
    noUiSlider.create(sliderFormat, {
        start: [20000],
        step: 1000,
        range: {
            'min': [20000],
            'max': [80000]
        },
        ariaFormat: wNumb({
            decimals: 3
        }),
        format: wNumb({
            decimals: 3,
            thousand: '.',
            suffix: ' (US $)'
        })
    });

    var inputFormat = document.getElementById('input-format');
    sliderFormat.noUiSlider.on('update', function (values, handle) {
        inputFormat.value = values[handle];
    });

    inputFormat.addEventListener('change', function () {
        sliderFormat.noUiSlider.set(this.value);
    });
    //Number formatting ^


    //slider margin
    var marginSlider = document.getElementById('slider-margin');
    noUiSlider.create(marginSlider, {
        start: [20, 80],
        margin: 30,
        range: {
            'min': 0,
            'max': 100
        }
    });

    var marginMin = document.getElementById('slider-margin-value-min'),
    marginMax = document.getElementById('slider-margin-value-max');
    marginSlider.noUiSlider.on('update', function (values, handle) {
        if (handle) {
            marginMax.innerHTML = values[handle];
        } else {
            marginMin.innerHTML = values[handle];
        }
    });
    //slider margin ^


    //slider limit
    var limitSlider = document.getElementById('slider-limit');
    noUiSlider.create(limitSlider, {
        start: [10, 120],
        limit: 40,
        behaviour: 'drag',
        connect: true,
        range: {
            'min': 0,
            'max': 100
        }
    });

    var limitFieldMin = document.getElementById('slider-limit-value-min');
    var limitFieldMax = document.getElementById('slider-limit-value-max');

    limitSlider.noUiSlider.on('update', function (values, handle) {
        (handle ? limitFieldMax : limitFieldMin).innerHTML = values[handle];
    });
    //slider limit ^


    //slider padding
    var paddingSlider = document.getElementById('slider-padding');
    noUiSlider.create(paddingSlider, {
        start: [20, 80],
        padding: [10, 15], // Or just 10
        range: {
            'min': 0,
            'max': 100
        }
    });

    var paddingMin = document.getElementById('slider-padding-value-min');
    var paddingMax = document.getElementById('slider-padding-value-max');
    paddingSlider.noUiSlider.on('update', function (values, handle) {
        if (handle) {
            paddingMax.innerHTML = values[handle];
        } else {
            paddingMin.innerHTML = values[handle];
        }
    });
    //slider padding ^


    //slider orientation
    var verticalSlider = document.getElementById('slider-vertical');
    noUiSlider.create(verticalSlider, {
        start: 40,
        orientation: 'vertical',
        range: {
            'min': 0,
            'max': 100
        }
    });
    //slider orientation ^


    //slider direction
    var directionSlider = document.getElementById('slider-direction');
    noUiSlider.create(directionSlider, {
        start: 20,
        direction: 'rtl',
        range: {
            'min': 0,
            'max': 100
        }
    });

    var directionField = document.getElementById('field');
    directionSlider.noUiSlider.on('update', function (values, handle) {
        directionField.innerHTML = values[handle];
    });
    //slider direction ^


    //slider tooltips
    var tooltipSlider = document.getElementById('slider-tooltips');
    noUiSlider.create(tooltipSlider, {
        start: [20, 80, 120],
        tooltips: [false, wNumb({decimals: 1}), true],
        range: {
            'min': 0,
            'max': 200
        }
    });
    //slider tooltips ^


    //slider behaviour drag
    var behaviourSlider = document.getElementById('behaviour');
    noUiSlider.create(behaviourSlider, {
        start: [20, 40],
        step: 10,
        behaviour: 'drag',
        connect: true,
        range: {
            'min': 20,
            'max': 80
        }
    });
    //slider behaviour drag ^


    //slider behaviour tap
    var tapSlider = document.getElementById('tap');
    noUiSlider.create(tapSlider, {
        start: 40,
        behaviour: 'tap',
        connect: [false, true],
        range: {
            'min': 20,
            'max': 80
        }
    });
    //slider behaviour tap ^


    //slider behaviour fixed dragging
    var dragFixedSlider = document.getElementById('drag-fixed');

    noUiSlider.create(dragFixedSlider, {
        start: [40, 60],
        behaviour: 'drag-fixed',
        connect: true,
        range: {
            'min': 20,
            'max': 80
        }
    });
    //slider behaviour fixed dragging ^


    //slider behaviour snap
    var snapSlider2 = document.getElementById('snap');
    noUiSlider.create(snapSlider2, {
        start: 40,
        behaviour: 'snap',
        connect: [true, false],
        range: {
            'min': 20,
            'max': 80
        }
    });
    //slider behaviour snap ^


    //slider behaviour hover
    var hoverSlider = document.getElementById('hover');
    var field = document.getElementById('hover-val');

    noUiSlider.create(hoverSlider, {
        start: 20,
        behaviour: 'hover-snap',
        direction: 'rtl',
        range: {
            'min': 0,
            'max': 10
        }
    });

    hoverSlider.noUiSlider.on('hover', function (value) {
        field.innerHTML = value;
    });
    //slider behaviour hover ^


    //slider behaviour unconstrained
    var unconstrainedSlider = document.getElementById('unconstrained');
    var unconstrainedValues = document.getElementById('unconstrained-values');

    noUiSlider.create(unconstrainedSlider, {
        start: [20, 50, 80],
        behaviour: 'unconstrained-tap',
        connect: true,
        range: {
            'min': 0,
            'max': 100
        }
    });

    unconstrainedSlider.noUiSlider.on('update', function (values) {
        unconstrainedValues.innerHTML = values.join(' :: ');
    });
    //slider behaviour unconstrained ^


    //slider behaviour combined 
    var dragTapSlider = document.getElementById('combined');
    noUiSlider.create(dragTapSlider, {
        start: [40, 60],
        behaviour: 'drag-tap',
        connect: true,
        range: {
            'min': 20,
            'max': 80
        }
    });
    //slider behaviour combined ^


    //slider range left to right
    var range_all_sliders = {
        'min': [ 0 ],
        '10%': [ 500, 500 ],
        '50%': [ 4000, 1000 ],
        'max': [ 10000 ]
    };
    var pipsRange = document.getElementById('pips-range');
    noUiSlider.create(pipsRange, {
        range: range_all_sliders,
        start: 0,
        pips: {
            mode: 'range',
            density: 3
        }
    });
    //slider range left to right ^


    //slider range right to left
    var pipsRangeRtl = document.getElementById('pips-range-rtl');
    noUiSlider.create(pipsRangeRtl, {
        range: range_all_sliders,
        start: 0,
        direction: 'rtl',
        pips: {
            mode: 'range',
            density: 3
        }
    });
    //slider range right to left ^


    //slider range vertical top to bottom
    var pipsRangeVertical = document.getElementById('pips-range-vertical');
    noUiSlider.create(pipsRangeVertical, {
        range: range_all_sliders,
        start: 0,
        orientation: 'vertical',
        pips: {
            mode: 'range',
            density: 3
        }
    });
    //slider range vertical top to bottom ^


    //slider range vertical bottom to top
    var pipsRangeVerticalRtl = document.getElementById('pips-range-vertical-rtl');
    noUiSlider.create(pipsRangeVerticalRtl, {
        range: range_all_sliders,
        start: 0,
        orientation: 'vertical',
        direction: 'rtl',
        pips: {
            mode: 'range',
            density: 3
        }
    });
    //slider range vertical bottom to top ^


    //slider step
    function filterPips(value, type) {
        if (type === 0) {
            return value < 2000 ? -1 : 0;
        }
        return value % 1000 ? 2 : 1;
    }
    
    
    //slider step ^


    //pip position
    var pipsPositions = document.getElementById('pips-positions');
    noUiSlider.create(pipsPositions, {
        range: range_all_sliders,
        start: 0,
        pips: {
            mode: 'positions',
            values: [0, 25, 50, 75, 100],
            density: 4
        }
    });
    //pip position ^


    //pip position stepped
    var positionsStepped = document.getElementById('pips-positions-stepped');
    noUiSlider.create(positionsStepped, {
        range: range_all_sliders,
        start: 0,
        pips: {
            mode: 'positions',
            values: [0, 25, 50, 75, 100],
            density: 4,
            stepped: true
        }
    });
    //pip position stepped ^


    //pips count
    var pipsCount = document.getElementById('pips-count');
    noUiSlider.create(pipsCount, {
        range: range_all_sliders,
        start: 0,
        pips: {
            mode: 'count',
            values: 6,
            density: 4
        }
    });
    //pips count ^


    //pips count stepped
    var pipsCountStepped = document.getElementById('pips-count-stepped');
    noUiSlider.create(pipsCountStepped, {
        range: range_all_sliders,
        start: 0,
        pips: {
            mode: 'count',
            values: 6,
            density: 4,
            stepped: true
        }
    });
    //pips count stepped ^


    //pips values
    var pipsValues = document.getElementById('pips-values');
    noUiSlider.create(pipsValues, {
        range: range_all_sliders,
        start: 0,
        pips: {
            mode: 'values',
            values: [50, 552, 2251, 3200, 5000, 7080, 9000],
            density: 4
        }
    });
    //pips values ^


    //pips values stepped
    var pipsValuesStepped = document.getElementById('pips-values-stepped');
    noUiSlider.create(pipsValuesStepped, {
        range: range_all_sliders,
        start: 0,
        pips: {
            mode: 'values',
            values: [50, 552, 4651, 4952, 5000, 7080, 9000],
            density: 4,
            stepped: true
        }
    });
    //pips values stepped ^


    //disable slider
    var disSlider1 = document.getElementById('disable1');
    var checkbox1 = document.getElementById('checkbox1');
    function toggle(element) {

        // If the checkbox is checked, disabled the slider.
        // Otherwise, re-enable it.
        if (this.checked) {
            element.setAttribute('disabled', true);
        } else {
            element.removeAttribute('disabled');
        }
    }

    noUiSlider.create(disSlider1, {
        start: 80,
        connect: [true, false],
        range: {
            min: 0,
            max: 100
        }
    });

    checkbox1.addEventListener('click', function () {
        toggle.call(this, disSlider1);
    });
    //disable slider ^


    //disable slider 2
    var disSlider2 = document.getElementById('disable2');
    var origins = disSlider2.getElementsByClassName('noUi-origin');
    var checkbox2 = document.getElementById('checkbox2');
    var checkbox3 = document.getElementById('checkbox3');

    noUiSlider.create(disSlider2, {
        start: [20, 80],
        range: {
            min: 0,
            max: 100
        }
    });

    checkbox2.addEventListener('click', function () {
        toggle.call(this, origins[0]);
    });
    
    checkbox3.addEventListener('click', function () {
        toggle.call(this, origins[1]);
    });
    //disable slider 2 ^


    //updating a slider
    var updateSlider = document.getElementById('slider-update');
    var updateSliderValue = document.getElementById('slider-update-value');

    noUiSlider.create(updateSlider, {
        range: {
            'min': 0,
            'max': 40
        },
        start: 20,
        margin: 2,
        step: 2
    });

    updateSlider.noUiSlider.on('update', function (values, handle) {
        updateSliderValue.innerHTML = values[handle];
    });

    var button1 = document.getElementById('update-1');
    var button2 = document.getElementById('update-2');

    function updateSliderRange(min, max) {
        updateSlider.noUiSlider.updateOptions({
            range: {
                'min': min,
                'max': max
            }
        });
    }

    button1.addEventListener('click', function () {
        updateSliderRange(20, 50);
    });

    button2.addEventListener('click', function () {
        updateSliderRange(10, 40);
    });
    //updating a slider ^





})(jQuery);