React实现闪烁效果

最新推荐文章于 2025-04-18 19:21:55 发布

Honey-回忆天明

最新推荐文章于 2025-04-18 19:21:55 发布

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分类专栏： javascript React 文章标签： react

本文链接：https://blog.youkuaiyun.com/Honey_tianming/article/details/90547947

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <script src="./build/react-0.14.0.js"></script>
    <script src="./build/react-dom.js"></script>
    <script src="./build/browser.min.js"></script>
</head>
<body>
  <div id="app"></div>
  <script type="text/babel">
    class Hello extends React.Component{
       constructor(props){
         super(props)
         this.state={
           opacity:1
         }
      }


      componentDidMount(){
        this.timer = setInterval(function () {
          var opacity = this.state.opacity;
          opacity -= 0.05;
          if (opacity < 0.1) {
            opacity = 1.0;
          }
          this.setState({
            opacity: opacity
          });
        }.bind(this), 10);
      }


      render(){
        return(
          <div>
             <h1 style={{opacity:this.state.opacity}}>亮晶晶</h1>
          </div>
        )
      }
    }
    
    var app = document.getElementById('app')
    ReactDOM.render(
      <Hello/>,
      app        
    )
  </script>   
</body>
</html>