css transition - Githubissues


<!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>transition</title>
    <style>
      .button {
        width: 30%;
        height: 80px;
        border-radius: 50px;
        border: 1px solid beige;
        background-color: cadetblue;
        position: relative;
        left: 30px;

        display: flex;
        justify-content: center;
        align-items: center;
      }

      .button1 {
        margin-bottom: 50px;
        width: 30%;
        height: 80px;
        border-radius: 50px;
        border: 1px solid beige;
        background-color: coral;
        position: relative;
        left: 30px;
        transition: left 0.8s;

        display: flex;
        align-items: center;
        justify-content: center;
      }
      .button1:hover {
        left: 0;
      }
    </style>
    <script>
      function expand() {
        let button = document.getElementById('button')
        if (button.style.height === '300px') {
          button.style.height = '80px'
          button.style.transition = 'height .8s'
          button.children[0].innerHTML = '点击变大'
        } else {
          button.style.height = '300px'
          button.style.transition = 'height .8s'
          button.children[0].innerHTML = '点击还原'
        }
      }

      function enter() {
        let node = document.getElementById('button1')
        let text = '哞哞哞~';
        let spans = node.children
        for (let i = 0; i < spans.length; i++) {
          setTimeout(() => {
            spans[i].innerHTML = text[i];
          }, i * 200)
        }
      }
      function leave() {
        let node = document.getElementById('button1')
        let spans = node.children
        let text = '添加文件'
        for (let i = 0; i < spans.length; i++) {
          setTimeout(() => {
            spans[i].innerHTML = text[i];
          }, i * 200)
        }
      }
    </script>
  </head>
  <body>
    <div class="button1" id="button1" onmouseenter="enter()"  onmouseleave="leave()">
      <span>添</span>
      <span>加</span>
      <span>文</span>
      <span>件</span>
    </div>
    <div class="button" onclick="expand()" id="button">
      <span>点击变大</span>
    </div>
    <script></script>
  </body>
</html>
coleava / me

css transition #34
