转：https://blog.csdn.net/DongFuPanda/article/details/109533365
在父级给 document 添加 mousemove 时间，实现一个拖拽功能。当拖到 iframe 上方时，发现变得卡顿，开始还以为是代码要优化，后来发现是 iframe 搞的鬼。解决方法也很简单，在 mousedown 和 mouseup 给 iframe 添加个样式
function onMouseDown() {
document.querySelector('iframe').style['pointer-events'] = 'none'
// ...
}
function onMouseUp() {
document.querySelector('iframe').style['pointer-events'] = 'auto'
// ...
}
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Now the positioning technology has been widely used. Many cars and mobile phones have positioning functions, and there are also many positioning apps. When your phone is lost, you can use such tools to quickly initiate location tracking requests. Understand how to locate the location of the phone, how to locate the phone after it is lost? https://www.xtmove.com/how-to-track-someones-phone-location-by-cell-phone-number-online-for-free/