随机小方块_style=color,bacolor-优快云博客

这篇博客展示了如何使用JavaScript创建抽象的立方体对象，并将其渲染到HTML页面的header部分。通过定义Cube构造函数，设置立方体的宽、高、背景颜色以及位置，然后调用render函数将立方体应用到DOM元素上，实现了动态的网页效果。

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<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
    <style>
      * {
        margin: 0;
        padding: 0;
      }
      header {
        width: 800px;
        height: 500px;
        background-color: blueviolet;
      }
    </style>
  </head>
  <body>
    <header></header>
  </body>
</html>
<script>
  // 抽象对象
  function Cube(width, height, bacolor, top, left) {
    this.width = width;
    this.height = height;
    this.bacolor = bacolor;
    this.top = top;
    this.left = left;
  }

  var block1 = new Cube(10, 10, "red", 20, 40);
  var block2 = new Cube(10, 10, "green", 20, 60);
  console.log(block1);

  function render(fatherDom, son) {
    fatherDom.style.position = "relative";
    var div = document.createElement("div");
    div.style.width = son.width + "px";
    div.style.height = son.height + "px";
    div.style.background = son.bacolor;
    div.style.position = "absolute";
    div.style.top = son.top + "px";
    div.style.left = son.left + "px";
    fatherDom.appendChild(div);
  }

  render(document.querySelector("header"), block1);
  render(document.querySelector("header"), block2);
</script>