Counter

counter.html

<div class="counter">
    <p class="number">
        <span class="cminus position-count no-select">-</span>
        <span class="value">1</span>
        <span class="cplus position-count no-select">+</span>
    </p>
    <input type="number" min="1" value="1">
</div>

script.js

jQuery(function ($){
    var counter = {
        cInput: null,
        setInput: function (elem) {
            return this.cInput = elem;
        },
        getVal: function () {
            return this.cInput.val();
        },
        setVal: function (value) {
            return this.cInput.val(value);
        },
        cPlus: function () {
            var currentVal = this.getVal();
            return this.setVal(parseInt(currentVal) + 1);
        },
        cMinus: function () {
            var currentVal = this.getVal();
            if (currentVal <= 1) {
                return this.setVal(1);
            }
            return this.setVal(parseInt(currentVal) - 1);
        }
    };
    var counterElem = $('.counter');

    counterElem.on('click', '.cplus', function(e) {
        counter.setInput($(this).parents('.counter').find('input'));
        counter.cPlus();
        $(this).siblings('.value').html(counter.getVal());
        $(counter.cInput).trigger('change');
    });

    counterElem.on('click', '.cminus', function(e) {
        counter.setInput($(this).parents('.counter').find('input'));
        counter.cMinus();
        $(this).siblings('.value').html(counter.getVal());
        $(counter.cInput).trigger('change');
    });
}(jQuery));

style.css

.counter {
    display: flex;
    flex-wrap: nowrap;
    justify-content: space-between;
}
.counter .number {
    display: flex;
    align-items: center;
    width: 100%;
    justify-content: space-between;
    margin: 0;
}
.counter .value {
    width: 40%;
    height: 32px;
    border: 1px solid #bebebe;
    background-color: #fff;
    border-radius: 2px;
    display: inline-block;
    text-align: center;
    line-height: 28px;
    font-size: 16px;
    vertical-align: bottom;
}
.counter .position-count {
    cursor: pointer;
    display: inline-block;
    border: 2px solid #ffcd00;
    width: 32px;
    height: 32px;
    border-radius: 1px;
    font-size: 16px;
    line-height: 28px;
    font-weight: 700;
    text-align: center;
    user-select: none;
}
.counter .position-count:hover {
    background-color: #FFCD00;
}
.counter .cminus {
    
}
.counter .cplus {
    
}
.counter input[type="number"] {
    display: none;
}
/* disable user selection of text */
.no-select {
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}