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js实现黑客

2026-01-31 17:17:22JavaScript

使用JavaScript实现黑客效果

在网页开发中，可以通过JavaScript模拟黑客风格的视觉效果，如终端打字效果、矩阵数字雨等。以下是几种常见的实现方式：

终端打字效果

js实现黑客

const terminal = document.getElementById('terminal');
const phrases = ['Accessing system...', 'Bypassing firewall...', 'Downloading data...'];
let phraseIndex = 0;
let charIndex = 0;

function typeWriter() {
  if (charIndex < phrases[phraseIndex].length) {
    terminal.textContent += phrases[phraseIndex].charAt(charIndex);
    charIndex++;
    setTimeout(typeWriter, Math.random() * 100 + 50);
  } else {
    setTimeout(erase, 1500);
  }
}

function erase() {
  if (terminal.textContent.length > 0) {
    terminal.textContent = terminal.textContent.substring(0, terminal.textContent.length - 1);
    setTimeout(erase, 30);
  } else {
    phraseIndex = (phraseIndex + 1) % phrases.length;
    charIndex = 0;
    setTimeout(typeWriter, 500);
  }
}

typeWriter();

矩阵数字雨效果

const canvas = document.getElementById('matrix');
const ctx = canvas.getContext('2d');
canvas.width = window.innerWidth;
canvas.height = window.innerHeight;

const katakana = 'アァカサタナハマヤャラワガザダバパイィキシチニヒミリヰギジヂビピウゥクスツヌフムユュルグズブヅプエェケセテネヘメレヱゲゼデベペオォコソトノホモヨョロヲゴゾドボポヴッン';
const latin = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ';
const nums = '0123456789';
const alphabet = katakana + latin + nums;

const fontSize = 16;
const columns = canvas.width / fontSize;
const drops = Array(Math.floor(columns)).fill(1);

function draw() {
  ctx.fillStyle = 'rgba(0, 0, 0, 0.05)';
  ctx.fillRect(0, 0, canvas.width, canvas.height);
  ctx.fillStyle = '#0F0';
  ctx.font = fontSize + 'px monospace';

  for (let i = 0; i < drops.length; i++) {
    const text = alphabet.charAt(Math.floor(Math.random() * alphabet.length));
    ctx.fillText(text, i * fontSize, drops[i] * fontSize);

    if (drops[i] * fontSize > canvas.height && Math.random() > 0.975) {
      drops[i] = 0;
    }
    drops[i]++;
  }
}

setInterval(draw, 33);

网络安全相关API调用

通过JavaScript可以调用网络安全相关的API获取信息：

js实现黑客

IP信息查询

fetch('https://api.ipify.org?format=json')
  .then(response => response.json())
  .then(data => console.log('Public IP:', data.ip));

WHOIS查询

async function whoisLookup(domain) {
  const response = await fetch(`https://www.whoisxmlapi.com/whoisserver/WhoisService?apiKey=YOUR_API_KEY&domainName=${domain}`);
  const data = await response.json();
  console.log(data.WhoisRecord);
}