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一步步实现网页图片的手势拖拽与缩放

 5 years ago
source link: https://juejin.im/post/5c52b2b26fb9a049fb44168e
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最终效果如下： 可以点击查看 在线演示，以及 完整代码。 CSS transform 首先，需要了解 CSS3 的 transform ，用 transform 进行元素的变换，这是实现的关键。 transform 最常用的形式像这样： // 放大 2 倍

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