HTML——表白（效果+代码）

} else {

if (tuozhuaiY[0] == ‘-’) {

onlybtn();

} else {

onlytop();

}

}

document.onmousemove = null;

document.onmouseup = null;

}

}

var moustime = 0;

document.getElementById(“ziti”).addEventListener(“mouseenter”, moveon);

function moveon() {

moustime++;

setTimeout(function () {

if (moustime == 1) {

document.getElementById(“world”).innerHTML = “曾经沧海难为水，除却巫山不是云”;

moveon();

} else if (moustime == 2) {

document.getElementById(“world”).innerHTML =

<span class="iconfont icon-bqxin">人生自是有情痴，此恨不关风与月。<span class="iconfont icon-bqxin">;

moveon();

} else if (moustime == 5) {

document.getElementById(“world”).innerHTML =

<span class="iconfont icon-bqxin">身无彩凤双飞翼，心有灵犀一点通<span class="iconfont icon-bqxin">;

} else {

moveon();

}

}, 2000)

}

document.getElementById(“ziti”).addEventListener(“mouseleave”, function () {

moustime = 0;

document.getElementById(“world”).innerHTML =

<span class="iconfont icon-bqxin">人生若只如初见，何事秋风悲画扇<span class="iconfont icon-bqxin">;

});

script.js

// Customize these…

var n = 300,

speed = 5,//速度定义

startSize = rand(100,300);//大小定义

// …not these

var c = document.getElementById(“c”),

ctx = c.getContext(“2d”),

cw = (c.width = window.innerWidth),

ch = (c.height = window.innerHeight),

mousePos = {x:“”, y:“”},

img = new Image(),

particles = [],

particleNumber = 0,

Particle = function(index) {

this.index = index;

this.dur = (100-rand(9, 90))/speed;

this.draw = function() {

ctx.translate( this.x, this.y );

ctx.globalAlpha = this.alpha;

ctx.globalCompositeOperation = ‘lighter’;

// if (index%1.5==0) ctx.globalCompositeOperation = ‘overlay’;

if (index%2==0) ctx.globalCompositeOperation = ‘xor’;

ctx.drawImage(img, -this.size/2, -this.size/2, this.size, this.size);

ctx.translate( -this.x, -this.y );

}

};

function setParticle(p, firstRun) {

var _x = cwrand(0,1), _y = chrand(0,1), _s = startSize;

if (rand(0,1)>0.3 && mousePos.x!=“”){ //console.log(mousePos)

_x = mousePos.x;

_y = mousePos.y;

_s = _s/10;

}

var _tl = new TimelineMax()

.fromTo(p, p.dur, {

x:_x,

y:_y,

size:_s,

alpha:0

},{

size:‘+=’+String(rand(200,400)),

bezier:[{alpha:rand(0.15,0.65)},{alpha:0}],

ease:Power1.easeOut,//ease:Power0.easeNone,

onComplete:function(){ setParticle§; }

});

if (firstRun) _tl.seek(p.dur*rand()); //fast-forward on first run

}

TweenMax.ticker.addEventListener(“tick”, function(){

ctx.clearRect(0, 0, cw, ch);

for (var i=0; i<n; i++) particles[i].draw();

});

window.addEventListener(‘resize’, doResize)

function doResize() {

particleNumber = 0;

cw = (c.width = window.innerWidth);

ch = (c.height = window.innerHeight);

for (var i=0; i<n; i++) {

TweenMax.killTweensOf(particles[i]);

setParticle(particles[i], true);

}

TweenMax.fromTo(c, 0.3, {alpha:0},{alpha:1, ease:Power3.easeInOut});

}

// First run

for (var i=0; i<n; i++) particles.push(new Particle(i));

doResize();

function rand(min, max) {

(min) ? min=min : min=0;

(max) ? max=max : max=1;

return min + (max-min)*Math.random();

}

img.src=“data:image/png;base64,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”

t.css

{

margin: 0;

padding: 0;

}

html, body {

width: 100%;

height: 100%;

overflow: hidden;

}

canvas {

display: block;

position: absolute;

z-index: -2;

}

.snowback{

height: 100%;

width: 100%;

overflow: hidden;

position: absolute;

z-index: 1;

}

.ziti{

height: 50px;

width: 100%;

font-size: 60px;

text-align: center;

position: absolute;

margin-top: 100px;

z-index: 11;

}

.ziti span {

height: 30px;

width: 100%;

font-size: 25px;

font-family: “微软雅黑”;

text-align: center;

line-height: 30px;

/å…³é”®ä»£ç /

background-image: -webkit-linear-gradient(left, rgb(20, 26, 150), #E6D205 25%, rgb(196, 30, 30) 50%, rgb(41, 197, 111) 75%, rgb(175, 23, 221));

-webkit-text-fill-color: transparent;

-webkit-background-clip: text;

-webkit-background-size: 200% 100%;

animation: masked-animation 4s infinite linear;

}

/å…³é”®ä»£ç /

@keyframes masked-animation {

0% {

background-position: 0 0;

}

100% {

background-position: -100% 0;

}

}

.main{

width: 200px;

height: 200px;

top:calc(calc(50% - 100px));

margin-left: calc(50% - 100px);

position: absolute;

}

.box {

width: 200px;

height: 200px;

opacity: 1;

position: absolute;

transform: scale(0.8);

}

.box-biger:hover+.box{

transform: scale(0.8);

}

.box-biger{

width: 200px;

height: 200px;

opacity: 0;

transition: all 1s;

position: absolute;

z-index: 10;

}

.box-biger:hover{

width: 600px;

height: 600px;

opacity: 1;

margin-top: calc(50% - 300px);

margin-left: calc(50% - 300px);

}

.box ul {

width: 100%;

height: 100%;

transform-style: preserve-3d;

background-color: transparent;

list-style: none;

position: absolute;

transition: all 1s;

transform-origin: 50% 50% 0;

}

.box-biger ul{

width: 100%;

height: 100%;

transform-style: preserve-3d;

background-color: transparent;

list-style: none;

position: absolute;

transition: all 1s;

}

.small {

font-size: 60px;

text-align: center;

display: inline-block;

width: 100%;

height: 100%;

position: absolute;

box-sizing: border-box;

}

.biger {

font-size: 60px;

text-align: center;

display: inline-block;

width: 100%;

height: 100%;

position: absolute;

box-sizing: border-box;

}

.small img{

height: 100%;

width: 100%;

opacity: 1;

}

.biger img{

height: 70%;

width: 70%;

margin-top: 15%;

margin-left: 15%;

opacity: 0.3;

}

.idv1 {

background-siz

本文已被开源项目：【一线大厂面试真题解析+核心总结学习笔记+最新全套讲解视频+实战项目源码讲义】收录

e: cover;

left: 0;

top: 100%;

transform: translateZ(-100px) rotateY(180deg) rotate(180deg);

transform-origin: top;

}

.idv2 {

background-size: cover;

top: 0;

margin-left: 50%;

transform: rotateY(90deg);

}

.idv3 {

background-size: cover;

left: 0;

top: 0;

margin-left: -50%;

transform: rotateY(90deg);

}

.idv4 {

transform: rotateX(90deg);

top: -50%;

}

.idv5 {

transform: rotateX(270deg);

top: 50%;

}

.idv6 {

background-size: cover;

left: 0;

top: 0;

transform: translateZ(100px);

}

.idv7 {

background-size: cover;

left: 0;

top: 100%;

transform: translateZ(-100px) rotateY(180deg) rotate(180deg);

transform-origin: top;

transition: all 1s;

}

.idv12 {

background-size: cover;

left: 0;

top: 0;

transform: translateZ(100px);

transition: all 1s;

}

.box-biger:hover>ul>.idv7{

transform: translateZ(-300px) rotateY(180deg) rotate(180deg);

}

.box-biger:hover>ul>.idv12{

transform: translateZ(300px);

}

.btn {

height: 60px;

text-align: center;

line-height: 60px;

width: 90px;

margin-left: 20px;

float: left;

box-sizing: border-box;

position: absolute;

border-radius: 30px;

z-index: 30;

}

.btn img{

height: 100%;

width: 100%;

}

.btn:hover {

cursor: pointer;

}

.inpbtn {

height: 40px;

float: right;

line-height: 40px;

margin-left: 200px;

background-color: pink;

color: white;

border-radius: 30px;

}

input {

height: 40px;

width: 180px;

float: left;

border-radius: 20px;

font-size: 15px;

}

audio {

height: 40px;

width: 350px;

margin-left: -40px;

margin-top: -1px;

}

.audiobox {

height: 40px;

width: 300px;

border-radius: 20px;

overflow: hidden;

}

.btnonlond:hover>.hiddenbox{

TCP协议

TCP 和 UDP 的区别？TCP 三次握手的过程？为什么是三次而不是两次、四次？三次握手过程中可以携带数据么？说说 TCP 四次挥手的过程为什么是四次挥手而不是三次？半连接队列和 SYN Flood 攻击的关系如何应对 SYN Flood 攻击？介绍一下 TCP 报文头部的字段TCP 快速打开的原理(TFO)说说TCP报文中时间戳的作用？TCP 的超时重传时间是如何计算的？TCP 的流量控制TCP 的拥塞控制说说 Nagle 算法和延迟确认？如何理解 TCP 的 keep-alive？

开源分享：【大厂前端面试题解析+核心总结学习笔记+真实项目实战+最新讲解视频】

浏览器篇

浏览器缓存?说一说浏览器的本地存储？各自优劣如何？说一说从输入URL到页面呈现发生了什么？谈谈你对重绘和回流的理解XSS攻击CSRF攻击HTTPS为什么让数据传输更安全？实现事件的防抖和节流？实现图片懒加载？

: 15px;

}

audio {

height: 40px;

width: 350px;

margin-left: -40px;

margin-top: -1px;

}

.audiobox {

height: 40px;

width: 300px;

border-radius: 20px;

overflow: hidden;

}

.btnonlond:hover>.hiddenbox{

TCP协议

TCP 和 UDP 的区别？TCP 三次握手的过程？为什么是三次而不是两次、四次？三次握手过程中可以携带数据么？说说 TCP 四次挥手的过程为什么是四次挥手而不是三次？半连接队列和 SYN Flood 攻击的关系如何应对 SYN Flood 攻击？介绍一下 TCP 报文头部的字段TCP 快速打开的原理(TFO)说说TCP报文中时间戳的作用？TCP 的超时重传时间是如何计算的？TCP 的流量控制TCP 的拥塞控制说说 Nagle 算法和延迟确认？如何理解 TCP 的 keep-alive？

[外链图片转存中…(img-sIJm9vEW-1723369614710)]

开源分享：【大厂前端面试题解析+核心总结学习笔记+真实项目实战+最新讲解视频】

浏览器篇

浏览器缓存?说一说浏览器的本地存储？各自优劣如何？说一说从输入URL到页面呈现发生了什么？谈谈你对重绘和回流的理解XSS攻击CSRF攻击HTTPS为什么让数据传输更安全？实现事件的防抖和节流？实现图片懒加载？