交换 img src 或显示/隐藏多个图像是否更快?

2022-01-19 00:00:00 performance frontend javascript html

在网页上交换图片时使用的最佳做法是什么?更改图像源或仅在页面上显示/隐藏多个图像?

What is the best practice to use when swapping an image on a webpage? Altering the image source or just showing/hiding multiple images on the page?

推荐答案

为了平衡速度,你必须选择,有两个选项:

you have to choose in order to balance speed, with your two options:

修改图片来源

这样,页面加载速度会更快,因为它只获取可见图像,但是当您更改 src 属性时,显示新图像会花费更长的时间

this way, the page will load faster because it only gets the visible images but it will take a little longer to show the new image when you change src attribute

只显示/隐藏多张图片

这样,您将在页面加载时加载所有图像,这将使其加载速度变慢而交换图像速度更快

this way, you are loading all the images on page load which will make it slower on loading and faster on swapping the images

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