SOURCE

/**
 * timeStamp 事件属性可返回一个时间戳。指示发生事件的日期和时间
 * (timestamp - startTimestamp) / duration
 * 这句 timestamp 会持续变，减去初始时间戳除以持续时间即可代替setInterval()
*/

function animateValue(obj, start, end, duration) {
    let startTimestamp = null;

    const step = (timestamp) => {
        //  console.log("timestamp",timestamp)
        if (!startTimestamp) startTimestamp = timestamp;
        const progress = Math.min((timestamp - startTimestamp) / duration, 1);
        //  console.log("progress",progress)
        obj.innerHTML = Math.floor(progress * (end - start) + start);
        if (progress < 1) {
            window.requestAnimationFrame(step);
        }
    };
    window.requestAnimationFrame(step);
}

const obj = document.getElementById("value");
animateValue(obj, 100, 0, 5000);

<!-- 来源 -->
<!-- https://css-tricks.com/animating-number-counters/ -->


<!-- 关于 window.requestAnimationFrame 用法 -->
<!-- https://developer.mozilla.org/zh-CN/docs/Web/API/Window/requestAnimationFrame -->

<div id="value">100</div>