seajs官方小实例 -

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seajs官方小实例

博客分类：

RequireJS

javaScript seajs

一.目录结构

二.代码

hello.html

<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>Hello Sea.js</title>
<link rel="stylesheet" href="style.css">
</head>
<body>
<div id="container">
  <img src="https://i.alipayobjects.com/e/201211/1cqKb32QfE.png" width="44" height="44" alt="H">
  <img src="https://i.alipayobjects.com/e/201211/1cqKb2rJHI.png" width="44" height="44" alt="e">
  <img src="https://i.alipayobjects.com/e/201211/1cqKeZrUpg.png" width="44" height="44" alt="l">
  <img src="https://i.alipayobjects.com/e/201211/1cqM4u3Ejk.png" width="44" height="44" alt="l">
  <img src="https://i.alipayobjects.com/e/201211/1cqKoKV2Sa.png" width="44" height="44" alt="o">
  <img src="https://i.alipayobjects.com/e/201211/1cqKb4JU4K.png" width="44" height="44" alt=",">
  <img src="https://i.alipayobjects.com/e/201211/1cqKojFDLY.png" width="44" height="44" alt="S">
  <img src="https://i.alipayobjects.com/e/201211/1cqKb2sBO8.png" width="44" height="44" alt="e">
  <img src="https://i.alipayobjects.com/e/201211/1cqKb2LmXk.png" width="44" height="44" alt="a">
  <img src="https://i.alipayobjects.com/e/201211/1cqKb1jcWC.png" width="44" height="44" alt="J">
  <img src="https://i.alipayobjects.com/e/201211/1cqKojb72y.png" width="44" height="44" alt="S">
</div>

<script src="sea-modules/sea.js"></script>
<script>

  // Set configuration
  seajs.config({
    base: "./sea-modules/",
    alias: {
      "jquery": "jquery/jquery/1.10.1/jquery.js"
    }
  });
  
  seajs.use("./main");
</script>

</body>
</html>

main.js

define(function(require) {

  var Spinning = require('./spinning');

  var s = new Spinning('#container');
  s.render();

});

spinning.js

define(function(require, exports, module) {

  var $ = require('jquery');

  function Spinning(container) {
    this.container = $(container);
    this.icons = this.container.children();
    this.spinnings = [];
  }

  module.exports = Spinning;

  Spinning.prototype.render = function() {
    this._init();
    this.container.css('background', 'none');
    this.icons.show();
    this._spin();
  }

  Spinning.prototype._init = function() {
    var spinnings = this.spinnings;

    $(this.icons).each(function(n) {
      var startDeg = random(360);
      var node = $(this);
      var timer;

      node.css({
        top: random(40),
        left: n * 50 + random(10),
        zIndex: 1000
      }).hover(
          function() {
            node.fadeTo(250, 1)
                .css('zIndex', 1001)
                .css('transform', 'rotate(0deg)');

          },
          function() {
            node.fadeTo(250, .6).css('zIndex', 1000);
            timer && clearTimeout(timer);
            timer = setTimeout(spin, Math.ceil(random(10000)));
          }
      );

      function spin() {
        node.css('transform', 'rotate(' + startDeg + 'deg)');
      }

      spinnings[n] = spin;
    })

    return this;
  }

  Spinning.prototype._spin = function() {

    $(this.spinnings).each(function(i, fn) {
      setTimeout(fn, Math.ceil(random(3000)));
    });

    return this;
  }

  function random(x) { return Math.random() * x };

});

三.运行结果