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网页特效,怎么给网页加特效?

1、鼠标点击弹出爱心

桌面特效,怎么给网页加特效?

<!DOCTYPE html><htmllang="en"><head><metacharset="UTF-8"><metaname="viewport"content="width=device-width, initial-scale=1.0"><title>Document</title></head><body><!-- 网页鼠标点击特效(爱心) --><scripttype="text/javascript">         ! function (e, t, a) {            functionr() {                for (var e = 0; e < s.length; e++) s[e].alpha <= 0 ? (t.body.removeChild(s[e].el), s.splice(e, 1)) : (s[                        e].y--, s[e].scale += .004, s[e].alpha -= .013, s[e].el.style.cssText = "left:" + s[e].x +                    "px;top:" + s[e].y + "px;opacity:" + s[e].alpha + ";transform:scale(" + s[e].scale + "," + s[e]                    .scale + ") rotate(45deg);background:" + s[e].color + ";z-index:99999");                requestAnimationFrame(r)            }             functionn() {                var t = "function" == typeof e.onclick && e.onclick;                e.onclick = function (e) {                    t && t(), o(e)                }            }             functiono(e) {                var a = t.createElement("div");                a.className = "heart", s.push({                    el: a,                    x: e.clientX - 5,                    y: e.clientY - 5,                    scale: 1,                    alpha: 1,                    color: c()                }), t.body.appendChild(a)            }             functioni(e) {                var a = t.createElement("style");                a.type = "text/css";                try {                    a.appendChild(t.createTextNode(e))                } catch (t) {                    a.styleSheet.cssText = e                }                t.getElementsByTagName("head")[0].appendChild(a)            }             functionc() {                return"rgb(" + ~~(255 * Math.random()) + "," + ~~(255 * Math.random()) + "," + ~~(255 * Math                    .random()) + ")"            }            var s = [];            e.requestAnimationFrame = e.requestAnimationFrame || e.webkitRequestAnimationFrame || e                .mozRequestAnimationFrame || e.oRequestAnimationFrame || e.msRequestAnimationFrame || function (e) {                    setTimeout(e, 1e3 / 60)                }, i(                    ".heart{width: 10px;height: 10px;position: fixed;background: #f00;transform: rotate(45deg);-webkit-transform: rotate(45deg);-moz-transform: rotate(45deg);}.heart:after,.heart:before{content:   ;width: inherit;height: inherit;background: inherit;border-radius: 50%;-webkit-border-radius: 50%;-moz-border-radius: 50%;position: fixed;}.heart:after{top: -5px;}.heart:before{left: -5px;}"                ), n(), r()        }(window, document);    </script></body></html>

2、鼠标点击弹出文字

桌面特效,怎么给网页加特效?

<!DOCTYPE html><htmllang="en"><head><metacharset="UTF-8"><title>Document</title></head><body><script>        (function () {            var a_idx = 0;            window.onclick = function (event) {                var a = newArray("富强", "民主", "文明", "和谐", "自由", "平等", "公正", "法治", "爱国",                    "敬业", "诚信", "友善");                 var heart = document.createElement("b"); //创建b元素                heart.onselectstart = newFunction( event.returnValue=false ); //防止拖动document.body.appendChild(heart).innerHTML = a[a_idx]; //将b元素添加到页面上                a_idx = (a_idx + 1) % a.length;                heart.style.cssText = "position: fixed;left:-100%;"; //给p元素设置样式var f = 16, // 字体大小                    x = event.clientX - f / 2, // 横坐标                    y = event.clientY - f, // 纵坐标                    c = randomColor(), // 随机颜色                    a = 1, // 透明度                    s = 1.2; // 放大缩小var timer = setInterval(function () { //添加定时器if (a <= 0) {                        document.body.removeChild(heart);                        clearInterval(timer);                    } else {                        heart.style.cssText = "font-size:16px;cursor: default;position: fixed;color:" +                            c + ";left:" + x + "px;top:" + y + "px;opacity:" + a + ";transform:scale(" +                            s + ");";                         y--;                        a -= 0.016;                        s += 0.002;                    }                }, 15)             }            // 随机颜色functionrandomColor() {                 return"rgb(" + (~~(Math.random() * 255)) + "," + (~~(Math.random() * 255)) + "," + (~~(Math                .random() * 255)) + ")";             }        }());    </script></body></html>

3、鼠标点击弹出烟花波纹

桌面特效,怎么给网页加特效?

<html><head></head><body><script>functionclickEffect() {  let balls = [];  let longPressed = false;  let longPress;  let multiplier = 0;  let width, height;  let origin;  let normal;  let ctx;  const colours = ["#F73859", "#14FFEC", "#00E0FF", "#FF99FE", "#FAF15D"];  const canvas = document.createElement("canvas");  document.body.appendChild(canvas);  canvas.setAttribute("style", "width: 100%; height: 100%; top: 0; left: 0; z-index: 99999; position: fixed; pointer-events: none;");  const pointer = document.createElement("span");  pointer.classList.add("pointer");  document.body.appendChild(pointer);   if (canvas.getContext && window.addEventListener) {    ctx = canvas.getContext("2d");    updateSize();    window.addEventListener( resize , updateSize, false);    loop();    window.addEventListener("mousedown", function(e) {      pushBalls(randBetween(10, 20), e.clientX, e.clientY);      document.body.classList.add("is-pressed");      longPress = setTimeout(function(){        document.body.classList.add("is-longpress");        longPressed = true;      }, 500);    }, false);    window.addEventListener("mouseup", function(e) {      clearInterval(longPress);      if (longPressed == true) {        document.body.classList.remove("is-longpress");        pushBalls(randBetween(50 + Math.ceil(multiplier), 100 + Math.ceil(multiplier)), e.clientX, e.clientY);        longPressed = false;      }      document.body.classList.remove("is-pressed");    }, false);    window.addEventListener("mousemove", function(e) {      let x = e.clientX;      let y = e.clientY;      pointer.style.top = y + "px";      pointer.style.left = x + "px";    }, false);  } else {    console.log("canvas or addEventListener is unsupported!");  }    functionupdateSize() {    canvas.width = window.innerWidth * 2;    canvas.height = window.innerHeight * 2;    canvas.style.width = window.innerWidth +  px ;    canvas.style.height = window.innerHeight +  px ;    ctx.scale(2, 2);    width = (canvas.width = window.innerWidth);    height = (canvas.height = window.innerHeight);    origin = {      x: width / 2,      y: height / 2    };    normal = {      x: width / 2,      y: height / 2    };  }  classBall{    constructor(x = origin.x, y = origin.y) {      this.x = x;      this.y = y;      this.angle = Math.PI * 2 * Math.random();      if (longPressed == true) {        this.multiplier = randBetween(14 + multiplier, 15 + multiplier);      } else {        this.multiplier = randBetween(6, 12);      }      this.vx = (this.multiplier + Math.random() * 0.5) * Math.cos(this.angle);      this.vy = (this.multiplier + Math.random() * 0.5) * Math.sin(this.angle);      this.r = randBetween(8, 12) + 3 * Math.random();      this.color = colours[Math.floor(Math.random() * colours.length)];    }    update() {      this.x += this.vx - normal.x;      this.y += this.vy - normal.y;      normal.x = -2 / window.innerWidth * Math.sin(this.angle);      normal.y = -2 / window.innerHeight * Math.cos(this.angle);      this.r -= 0.3;      this.vx *= 0.9;      this.vy *= 0.9;    }  }   functionpushBalls(count = 1, x = origin.x, y = origin.y) {    for (let i = 0; i < count; i++) {      balls.push(new Ball(x, y));    }  }   functionrandBetween(min, max) {    returnMath.floor(Math.random() * max) + min;  }   functionloop() {    ctx.fillStyle = "rgba(255, 255, 255, 0)";    ctx.clearRect(0, 0, canvas.width, canvas.height);    for (let i = 0; i < balls.length; i++) {      let b = balls[i];      if (b.r < 0) continue;      ctx.fillStyle = b.color;      ctx.beginPath();      ctx.arc(b.x, b.y, b.r, 0, Math.PI * 2, false);      ctx.fill();      b.update();    }    if (longPressed == true) {      multiplier += 0.2;    } elseif (!longPressed && multiplier >= 0) {      multiplier -= 0.4;    }    removeBall();    requestAnimationFrame(loop);  }   functionremoveBall() {    for (let i = 0; i < balls.length; i++) {      let b = balls[i];      if (b.x + b.r < 0 || b.x - b.r > width || b.y + b.r < 0 || b.y - b.r > height || b.r < 0) {        balls.splice(i, 1);      }    }  }}clickEffect();//调用特效函数</script></body></html>

4、鼠标小星星拖尾跟随

桌面特效,怎么给网页加特效?

<!DOCTYPE html><htmllang="en"><head></head><body><spanclass="js-cursor-container"></span><script>        (functionfairyDustCursor() {             var possibleColors = ["#D61C59", "#E7D84B", "#1B8798"]            var width = window.innerWidth;            var height = window.innerHeight;            var cursor = { x: width / 2, y: width / 2 };            var particles = [];             functioninit() {                bindEvents();                loop();            }             // Bind events that are neededfunctionbindEvents() {                document.addEventListener( mousemove , onMouseMove);                window.addEventListener( resize , onWindowResize);            }             functiononWindowResize(e) {                width = window.innerWidth;                height = window.innerHeight;            }             functiononMouseMove(e) {                cursor.x = e.clientX;                cursor.y = e.clientY;                 addParticle(cursor.x, cursor.y, possibleColors[Math.floor(Math.random() * possibleColors.length)]);            }             functionaddParticle(x, y, color) {                var particle = new Particle();                particle.init(x, y, color);                particles.push(particle);            }             functionupdateParticles() {                 // Updatedfor (var i = 0; i < particles.length; i++) {                    particles[i].update();                }                 // Remove dead particlesfor (var i = particles.length - 1; i >= 0; i--) {                    if (particles[i].lifeSpan < 0) {                        particles[i].die();                        particles.splice(i, 1);                    }                }             }             functionloop() {                requestAnimationFrame(loop);                updateParticles();            }             /**             * Particles             */functionParticle() {                 this.character = "*";                this.lifeSpan = 120; //msthis.initialStyles = {                    "position": "fixed",                    "display": "inline-block",                    "top": "0px",                    "left": "0px",                    "pointerEvents": "none",                    "touch-action": "none",                    "z-index": "10000000",                    "fontSize": "25px",                    "wil
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