5、JavaScript入门与实战：从基础到游戏开发

algae

于 2025-10-20 11:38:48 发布

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分类专栏： Head First JavaScript精要文章标签： JavaScript 入门实战

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JavaScript入门与实战：从基础到游戏开发

1. JavaScript基础代码示例

以下是一个简单的JavaScript代码示例，用于输出经典的“99瓶啤酒在墙上”的歌词：

<!doctype html>
<html lang="en">
  <head>
    <meta charset="utf-8">
    <title>My First JavaScript</title>
  </head>
  <body>
    <script>
      var word = "bottles";
      var count = 99;
      while (count > 0) {
         console.log(count + " " + word + " of beer on the wall");
         console.log(count + " " + word + " of beer,");
         console.log("Take one down, pass it around,");
         count = count - 1;
         if (count > 0) {
            console.log(count + " " + word + " of beer on the wall.");
         } else {
            console.log("No more " + word + "

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