图片

目录

写在前面

HTML简介

程序设计

修改文字

推荐系列

写在后面


写在前面

本期小编给大家分享可以写字的html动态爱心代码,一起来看看叭~

HTML简介

HTML(HyperText Markup Language)是一种用于创建网页的标记语言。它是互联网的基础,几乎每一个网页都是由HTML编写的。学习HTML入门是每个想要进入网页开发领域的人的第一步。

HTML使用一系列标签来定义网页的结构和内容。每个标签都有特定的含义和作用,用于描述页面的各个元素。一个基本的HTML文档由<html>标签包围,其中包含<head>和<body>标签。

<head>标签通常包含一些元数据,例如页面的标题,作者,样式表等。这些信息对于浏览器和搜索引擎来理解和处理网页非常重要。

<body>标签包含页面的主要内容,例如文本,图像,链接等。通过使用不同的HTML标签,可以创建标题,段落,列表,表格以及其他各种元素。

例如,可以使用<h1>到<h6>标签创建不同级别的标题。<p>标签可以用于创建段落。<ul>和<li>标签可以用于创建无序列表。<table>和<tr>标签可以用于创建表格。

HTML还具有一些常用的属性,可以用于进一步定义和控制元素的行为和样式。例如,可以使用href属性为链接指定目标URL。可以使用src属性为图像指定来源URL。可以使用style属性为元素指定CSS样式。

编写HTML时应遵循一些最佳实践。首先,要保持代码结构的清晰和有序。使用缩进和换行来提高代码的可读性。其次,要注意标签的嵌套和闭合。每个开始标签都必须有一个匹配的结束标签,否则页面可能无法正常显示。最后,遵守语义化的原则,选择合适的标签来描述内容,以提高网页的可访问性和SEO优化。

编写HTML后,可以在浏览器中打开文件预览结果。在浏览器中,可以通过查看源代码来检查HTML的结构和内容。还可以使用开发者工具来调试和优化页面。

HTML入门只是网页开发的基础,后续还需要学习CSS和JavaScript等技术来实现更复杂的功能和效果。希望这个简要的介绍能帮助你开始学习HTML,并为你的网页开发之旅铺平道路。

程序设计

<!DOCTYPE html>
<html>

<head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">

    <title></title>
    <style type="text/css">
        body {
            margin: 0;
            overflow: hidden;
            background: #000;
        }

        canvas {
            position: absolute;
            width: 100%;
            height: 100%;
        }

        #pinkboard {
            animation: anim 1.5s ease-in-out infinite;
            -webkit-animation: anim 1.5s ease-in-out infinite;
            -o-animation: anim 1.5s ease-in-out infinite;
            -moz-animation: anim 1.5s ease-in-out infinite;
        }

        @keyframes anim {
            0% {
                transform: scale(0.8);
            }

            25% {
                transform: scale(0.7);
            }

            50% {
                transform: scale(1);
            }

            75% {
                transform: scale(0.7);
            }

            100% {
                transform: scale(0.8);
            }
        }

        @-webkit-keyframes anim {
            0% {
                -webkit-transform: scale(0.8);
            }

            25% {
                -webkit-transform: scale(0.7);
            }

            50% {
                -webkit-transform: scale(1);
            }

            75% {
                -webkit-transform: scale(0.7);
            }

            100% {
                -webkit-transform: scale(0.8);
            }
        }

        @-o-keyframes anim {
            0% {
                -o-transform: scale(0.8);
            }

            25% {
                -o-transform: scale(0.7);
            }

            50% {
                -o-transform: scale(1);
            }

            75% {
                -o-transform: scale(0.7);
            }

            100% {
                -o-transform: scale(0.8);
            }
        }

        @-moz-keyframes anim {
            0% {
                -moz-transform: scale(0.8);
            }

            25% {
                -moz-transform: scale(0.7);
            }

            50% {
                -moz-transform: scale(1);
            }

            75% {
                -moz-transform: scale(0.7);
            }

            100% {
                -moz-transform: scale(0.8);
            }
        }

        #name {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            margin-top: -20px;
            font-size: 46px;
            color: pink;
        }
    </style>
</head>

<body>
    <canvas id="pinkboard" width="1920" height="947"></canvas>
    <div id="name">萌</div>
    <canvas id="canvas" width="1920" height="947"></canvas>

    <script type="text/javascript">
        const colors = [
            "#eec996",
            "#8fb7d3",
            "#b7d4c6",
            "#c3bedd",
            "#f1d5e4",
            "#cae1d3",
            "#f3c89d",
            "#d0b0c3",
            "#819d53",
            "#c99294",
            "#cec884",
            "#ff8e70",
            "#e0a111",
            "#fffdf6",
            "#cbd7ac",
            "#e8c6c0",
            "#dc9898",
            "#ecc8ba",
        ];
        var canvas = document.getElementById("canvas");
        var ctx = canvas.getContext("2d");
        let count = 1;

        var ww = window.innerWidth;
        var wh = window.innerHeight;

        var hearts = [];

        function init() {
            requestAnimationFrame(render);
            canvas.width = ww;
            canvas.height = wh;
            for (var i = 0; i < 100; i++) {
                hearts.push(new Heart());
            }
        }

        function Heart() {
            this.x = Math.random() * ww;
            this.y = Math.random() * wh;
            this.opacity = Math.random() * 0.5 + 0.5;
            this.vel = {
                x: (Math.random() - 0.5) * 4,
                y: (Math.random() - 0.5) * 4,
            };
            this.targetScale = Math.random() * 0.15 + 0.02;
            this.scale = this.targetScale * Math.random();
        }

        Heart.prototype.update = function (i) {
            this.x += this.vel.x;
            this.y += this.vel.y;

            this.scale += (this.targetScale - this.scale) * 0.01;
            if (this.x - this.width > ww || this.x + this.width < 0) {
                this.scale = 0;
                this.x = Math.random() * ww;
            }
            if (this.y - this.height > wh || this.y + this.height < 0) {
                this.scale = 0;
                this.y = Math.random() * wh;
            }
            this.width = 470;
            this.height = 400;
        };
        Heart.prototype.draw = function (i) {
            ctx.globalAlpha = this.opacity;
            ctx.font = `${180 * this.scale}px "微软雅黑"`;
            ctx.fillStyle = colors[i % 18];
            ctx.fillText(
                "萌",
                this.x - this.width * 0.5,
                this.y - this.height * 0.5,
                this.width,
                this.height
            );
        };

        function render() {
            ctx.clearRect(0, 0, ww, wh);
            for (var i = 0; i < 100; i++) {
                hearts[i].update(i);
                hearts[i].draw(i);
            }
            requestAnimationFrame(render);
        }
        init();


        window.addEventListener("resize", function () {
            ww = window.innerWidth;
            wh = window.innerHeight;
        });
    </script>
    <script>

        var settings = {
            particles: {
                length: 500,
                duration: 2,
                velocity: 100,
                effect: -0.75,
                size: 30,
            },
        };

        (function () {
            var b = 0;
            var c = ["ms", "moz", "webkit", "o"];
            for (var a = 0; a < c.length && !window.requestAnimationFrame; ++a) {
                window.requestAnimationFrame = window[c[a] + "RequestAnimationFrame"];
                window.cancelAnimationFrame =
                    window[c[a] + "CancelAnimationFrame"] ||
                    window[c[a] + "CancelRequestAnimationFrame"];
            }
            if (!window.requestAnimationFrame) {
                window.requestAnimationFrame = function (h, e) {
                    var d = new Date().getTime();
                    var f = Math.max(0, 16 - (d - b));
                    var g = window.setTimeout(function () {
                        h(d + f);
                    }, f);
                    b = d + f;
                    return g;
                };
            }
            if (!window.cancelAnimationFrame) {
                window.cancelAnimationFrame = function (d) {
                    clearTimeout(d);
                };
            }
        })();


        var Point = (function () {
            function Point(x, y) {
                this.x = typeof x !== "undefined" ? x : 0;
                this.y = typeof y !== "undefined" ? y : 0;
            }
            Point.prototype.clone = function () {
                return new Point(this.x, this.y);
            };
            Point.prototype.length = function (length) {
                if (typeof length == "undefined")
                    return Math.sqrt(this.x * this.x + this.y * this.y);
                this.normalize();
                this.x *= length;
                this.y *= length;
                return this;
            };
            Point.prototype.normalize = function () {
                var length = this.length();
                this.x /= length;
                this.y /= length;
                return this;
            };
            return Point;
        })();



        var Particle = (function () {
            function Particle() {
                this.position = new Point();
                this.velocity = new Point();
                this.acceleration = new Point();
                this.age = 0;
            }
            Particle.prototype.initialize = function (x, y, dx, dy) {
                this.position.x = x;
                this.position.y = y;
                this.velocity.x = dx;
                this.velocity.y = dy;
                this.acceleration.x = dx * settings.particles.effect;
                this.acceleration.y = dy * settings.particles.effect;
                this.age = 0;
            };
            Particle.prototype.update = function (deltaTime) {
                this.position.x += this.velocity.x * deltaTime;
                this.position.y += this.velocity.y * deltaTime;
                this.velocity.x += this.acceleration.x * deltaTime;
                this.velocity.y += this.acceleration.y * deltaTime;
                this.age += deltaTime;
            };
            Particle.prototype.draw = function (context, image) {
                function ease(t) {
                    return --t * t * t + 1;
                }
                var size = image.width * ease(this.age / settings.particles.duration);
                context.globalAlpha = 1 - this.age / settings.particles.duration;
                context.drawImage(
                    image,
                    this.position.x - size / 2,
                    this.position.y - size / 2,
                    size,
                    size
                );
            };
            return Particle;
        })();


        var ParticlePool = (function () {
            var particles,
                firstActive = 0,
                firstFree = 0,
                duration = settings.particles.duration;

            function ParticlePool(length) {

                particles = new Array(length);
                for (var i = 0; i < particles.length; i++)
                    particles[i] = new Particle();
            }
            ParticlePool.prototype.add = function (x, y, dx, dy) {
                particles[firstFree].initialize(x, y, dx, dy);


                firstFree++;
                if (firstFree == particles.length) firstFree = 0;
                if (firstActive == firstFree) firstActive++;
                if (firstActive == particles.length) firstActive = 0;
            };
            ParticlePool.prototype.update = function (deltaTime) {
                var i;
                if (firstActive < firstFree) {
                    for (i = firstActive; i < firstFree; i++)
                        particles[i].update(deltaTime);
                }
                if (firstFree < firstActive) {
                    for (i = firstActive; i < particles.length; i++)
                        particles[i].update(deltaTime);
                    for (i = 0; i < firstFree; i++) particles[i].update(deltaTime);
                }

                while (
                    particles[firstActive].age >= duration &&
                    firstActive != firstFree
                ) {
                    firstActive++;
                    if (firstActive == particles.length) firstActive = 0;
                }
            };
            ParticlePool.prototype.draw = function (context, image) {

                if (firstActive < firstFree) {
                    for (i = firstActive; i < firstFree; i++)
                        particles[i].draw(context, image);
                }
                if (firstFree < firstActive) {
                    for (i = firstActive; i < particles.length; i++)
                        particles[i].draw(context, image);
                    for (i = 0; i < firstFree; i++) particles[i].draw(context, image);
                }
            };
            return ParticlePool;
        })();


        (function (canvas) {
            var context = canvas.getContext("2d"),
                particles = new ParticlePool(settings.particles.length),
                particleRate =
                    settings.particles.length / settings.particles.duration, // particles/sec
                time;

            function pointOnHeart(t) {
                return new Point(
                    160 * Math.pow(Math.sin(t), 3),
                    130 * Math.cos(t) -
                    50 * Math.cos(2 * t) -
                    20 * Math.cos(3 * t) -
                    10 * Math.cos(4 * t) +
                    25
                );
            }

            var image = (function () {
                var canvas = document.createElement("canvas"),
                    context = canvas.getContext("2d");
                canvas.width = settings.particles.size;
                canvas.height = settings.particles.size;
                function to(t) {
                    var point = pointOnHeart(t);
                    point.x =
                        settings.particles.size / 2 +
                        (point.x * settings.particles.size) / 350;
                    point.y =
                        settings.particles.size / 2 -
                        (point.y * settings.particles.size) / 350;
                    return point;
                }
                context.beginPath();
                var t = -Math.PI;
                var point = to(t);
                context.moveTo(point.x, point.y);
                while (t < Math.PI) {
                    t += 0.01;
                    point = to(t);
                    context.lineTo(point.x, point.y);
                }
                context.closePath();
                context.fillStyle = "pink";
                context.fill();
                var image = new Image();
                image.src = canvas.toDataURL();
                return image;
            })();

            function render() {
                requestAnimationFrame(render);

                var newTime = new Date().getTime() / 1000,
                    deltaTime = newTime - (time || newTime);
                time = newTime;

                context.clearRect(0, 0, canvas.width, canvas.height);

                var amount = particleRate * deltaTime;
                for (var i = 0; i < amount; i++) {
                    var pos = pointOnHeart(Math.PI - 2 * Math.PI * Math.random());
                    var dir = pos.clone().length(settings.particles.velocity);
                    particles.add(
                        canvas.width / 2 + pos.x,
                        canvas.height / 2 - pos.y,
                        dir.x,
                        -dir.y
                    );
                }

                particles.update(deltaTime);
                particles.draw(context, image);
            }

            function onResize() {
                canvas.width = canvas.clientWidth;
                canvas.height = canvas.clientHeight;
            }
            window.onresize = onResize;

            setTimeout(function () {
                onResize();
                render();
            }, 10);
        })(document.getElementById("pinkboard"));

    </script>

</body>

</html>

修改文字

在代码的第130行可以修改爱心中间的文字哦~

在代码的第205行可以修改整个界面漂浮的文字哦~

推荐系列

序号目录直达链接
1HTML实现3D相册HTML实现3D相册-CSDN博客
2HTML元素周期表HTML元素周期表-CSDN博客
3HTML黑客帝国字母雨HTML黑客帝国字母雨_字母雨html-CSDN博客
4HTML五彩缤纷的爱心HTML五彩缤纷的爱心-CSDN博客
5HTML飘落的花瓣HTML飘落的花瓣-CSDN博客
6HTML哆啦A梦HTML哆啦A梦_html哆啦a梦代码-CSDN博客
7HTML爱情树HTML爱情树-CSDN博客
8HTML新春烟花盛宴HTML新春烟花盛宴-CSDN博客
9HTML想见你HTML想见你-CSDN博客
10HTML蓝色爱心HTML蓝色爱心-CSDN博客
11HTML跳动的爱心HTML跳动的爱心-CSDN博客
12HTML橙色爱心HTML橙色爱心-CSDN博客
13HTML大雪纷飞HTML大雪纷飞-CSDN博客
14HTML跨年烟花https://want595.blog.csdn.net/article/details/139428881
15HTML跳动的爱心https://want595.blog.csdn.net/article/details/139428947
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写在后面

我是一只有趣的兔子,感谢你的喜欢!

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