原生js编写一个虚拟dom效果代码-html代码-BFW代码库

原生js编写一个虚拟dom效果代码

代码语言：html

代码描述：原生js编写一个虚拟dom效果代码

下面为部分代码预览，完整代码请点击下载或在bfwstudio webide中打开

<!DOCTYPE html>
<html lang="en">

<head>

    <meta charset="UTF-8">


    <style>
        html, body {
            font: 15px/1.3 system-ui,sans-serif;
            background: #333;
            overflow: hidden;
        }
        .background {
            position: fixed;
            left: 0;
            top: 0;
            width: 100%;
            height: 100%;
            background: url(//repo.bfw.wiki/bfwrepo/image/5e965addb956a.png) center/cover #f4f4f4;
            opacity: 0.5;
        }
        #demo {
            width: 280px;
            position: absolute;
            right: 25px;
            top: 50%;
            transform: translateY(-50%);
            padding: 10px;
            background: #f4f4f4;
            border-radius: 5px;
            box-shadow: 0 10px 40px #000;
            z-index: 2;
        }

        * {
            animation: flash 500ms ease;
        }
@keyframes flash {
            from {
                box-shadow: inset 0 0 2px 2px rebeccapurple, 0 0 2px 2px rebeccapurple;
            }
        }


        ul {
            font-size: 90%;
        }

        .kids {
            min-height: 100px;
            background: #eee;
            box-shadow: inset 0 2px 5px rgba(0,0,0,0.2);
            margin: 2px 0 0;
            border-radius: 3px;
            padding: 5px;
        }
        h1 {
            margin: 0;
        }
        h5 {
            margin: 0;
            padding: 0;
            font-size: 120%;
        }
        a {
            color: #28E;
            text-decoration: none;
            font-weight: 400;
        }
        .features {
            margin: 0;
        }
        h6 {
            margin: 0;
            padding: 7px 0 0;
            font-size: 92%;
            font-weight: 400;
            color: #666;
        }
    </style>



    <body>
        <div class="background"></div>
      
        <div id="demo"></div>



        <script>
            h = (t, p, ...c) => ({
                t, p, c, k: p && p.key
            });
            render = (e, d, t = d.t || (d.t = {}), p, r, c, m, y) =>
            // arrays
            e.map ? e.map((e, p) => render(e, d, t.o && t.o[p])):
            // components
            e.t.call ? (e.i = render((render.c = e).t(Object.assign({
                children: e.c
            }, e.p), e.s = t.s || {}, (t) =>
                render(Object.assign(e.s, t) && e, d, e)), t.i || d, t && t.i || {}), d.t = t = e): (
                // create notes
                m = t.d || (e.t ? document.createElement(e.t): new Text(e.p)),
                // diff props
                e.t ? Object.keys(Object.assign({}, t.p, e.p)).map((d) =>
                    (c = e.p && e.p[d]) != (t.p && t.p[d]) && (d in m ? m[d] = c: m[(c ? 'set': 'remove') + 'Attribute'](d, c))): m.data = e.p,
                // copy children for storage
                y = (t.o || []).slice(),
                // diff children (typed/keyed)
                e.o = e.c.concat.apply([], e.c).map((d, p) => render(d = d && d.c ? d: h('', d), m,
                    y.find((e, c) => e && e.t == d.t && e.k == d.k && (c == p && (p = r), y[c] = 0, e)) || {}, p)),
                // insert at position
                t.d && p == r || d.insertBefore(e.d = m, d.childNodes[p + 1]),
                // remove stragglers
                y.map(e => (y = e.i && e.i.d || e.d) && y.remove()),
                Object.assign(t, e));




            /**@jsx h */


            function CountButton(props, {
                count = 0
            }, update) {
                return h("button", {
                    count: count, onclick: () => update({
                        count: count + 1
                    })
                }, count);
            }

            // component.........完整代码请登录后点击上方下载按钮下载查看