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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>
- #div1{
- width: 200px;
- height: 200px;
- background: red;
- transition: width 2s linear 2s;
- /*
- transition-property
- 设置过度的属性
- transition-duration
- 持续时间
- transition-timing-function
- 过度的类型
- ease - 规定过渡效果，先缓慢地开始，然后加速，然后缓慢地结束（默认）
- linear - 规定从开始到结束具有相同速度的过渡效果
- ease-in -规定缓慢开始的过渡效果
- ease-out - 规定缓慢结束的过渡效果
- ease-in-out - 规定开始和结束较慢的过渡效果
- cubic-bezier(n,n,n,n) - 允许您在三次贝塞尔函数中定义自己的值
- transition-delay
- 延迟时间
- */
- }
- </style>
- </head>
- <body>
- <div id="div1"></div>
- <button id="btn">点击</button>
- <script>
- var btn = document.getElementById('btn')
- var div1 = document.getElementById('div1')
- btn.onclick = function(){
- div1.style.width = div1.offsetWidth + 500 +'px'
- }
- </script>
- </body>
- </html>
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