js实现界面文字无缝横向滚动(轮播、跑马灯)

<div class="t3">
    <div id="wrapper" class="wrapper">
        <div id="marquee">
            <span id="marqueeContent"></span>
        </div>
    </div>
</div>

.t3 {
    width: 100%;
    height: 50px;
    position: absolute;
    bottom: 0px;
    background-color: #146AA2;
    color: #ffffff;
}
.wrapper {
    width: 100%;
    display: flex;
}
    .wrapper div {
        height:20px;
        margin-top:10px;
    }
    .wrapper span {
        font-size: 20px;
        font-weight: bold;
    }

$(function () {
       //设置文本滑动
       move(5,“left”);
})

/**
 * 文本滑动
 * @param {any} speed 时间间隔  1000 毫秒= 1 秒。
 * @param {any} dic 方向
 */
function move(speed, dic) {
    let wrapper, wrapperWidth, marquee, marqueeContent, contentWidth;
    wrapper = document.getElementById('wrapper');
    marquee = document.getElementById('marquee');
    marqueeContent = document.getElementById('marqueeContent');
    contentWidth = marqueeContent.getBoundingClientRect().width;
    wrapperWidth = 0;
    if (dic == "left" || dic == "" || dic == null) {
        wrapperWidth = wrapper.getBoundingClientRect().width;
    }
    marquee.style.transform = 'translateX(' + wrapperWidth + 'px)';
    let distance = wrapperWidth;
    setInterval(() => {
        if (dic == "left" || dic == "" || dic == null) {
            //当文字移动超出wrapper的左侧时 则归位
            if (marquee.getBoundingClientRect().x + contentWidth < wrapper.getBoundingClientRect().x) {
                distance = wrapperWidth;
            }
            distance--;
            marquee.style.transform = 'translateX(' + distance + 'px)';
        }
        else if (dic == "right") {
            //当文字移动超出wrapper的右侧时 则归位
            if (marquee.getBoundingClientRect().x - contentWidth > wrapper.clientWidth) {
                var len = $("span[id=marqueeContent]").text().length;
                distance = -contentWidth / len;
                console.error(distance);
            }
            distance++;
            marquee.style.transform = 'translateX(' + distance + 'px)';
        } 
    }, speed);
}