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      纯 javascript 检查是否有悬停(不设置鼠标悬停/移出)

      pure javascript to check if something has hover (without setting on mouseover/out)(纯 javascript 检查是否有悬停(不设置鼠标悬停/移出))

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                本文介绍了纯 javascript 检查是否有悬停(不设置鼠标悬停/移出)的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着跟版网的小编来一起学习吧!

                问题描述

                我见过这个 jQuery 语法:

                I have seen this jQuery syntax:

                if($(element).is(':hover')) { do something}
                

                由于我没有使用 jQuery,我正在寻找用纯 javascript 执行此操作的最佳方法.

                Since I am not using jQuery, I am looking for the best way to do this in pure javascript.

                我知道我可以保留一个全局变量并使用 mouseovermouseout 设置/取消设置它,但我想知道是否有某种方法可以检查元素的本机而是通过 DOM 属性?也许是这样的:

                I know I could keep a global variable and set/unset it using mouseover and mouseout, but I'm wondering if there is some way to inspect the element's native properties via the DOM instead? Maybe something like this:

                if(element.style.className.hovered === true) {do something}
                

                另外,它必须是跨浏览器兼容的.

                Also, it must be cross browser compatible.

                推荐答案

                简单地使用 element.matches(':hover') 对我来说似乎效果很好,你可以使用一个综合的 polyfill浏览器也是:https://developer.mozilla.org/en-US/docs/Web/API/Element/matches

                Simply using element.matches(':hover') seems to work well for me, you can use a comprehensive polyfill for older browsers too: https://developer.mozilla.org/en-US/docs/Web/API/Element/matches

                这篇关于纯 javascript 检查是否有悬停(不设置鼠标悬停/移出)的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持跟版网!

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