[代码复现](https://link.segmentfault.com/?enc=eJTbQ901IurC2G57vXAF9w%3D%3D.fnCe1wP7pV%2FS1AmG5VO%2Bdo7dng6ge%2BIcLuPY1a%2F%2BrvfqsHy8bp1v0BjAb4lBKPxV8eHfvJOepXZUSFSdLEAKHtqjsXhH4txQolRiASIbwd2MsbwyvpHiYm7q9TBtKqTYT33ss2myshgUxGzkkjvwKmI%2FDF6QLE0%2BaEah6qRtSJIA0fEkbDNf20QCpvGC7s2Vzkx%2FaVmJMrf1%2FEu%2FMIgkwPBAOYS60XQ%2F%2F8Yd2Yzcj7Tadfip7InakUNMdtMhiA4Slz97CeUNgFrY1bZ%2BS4NDGnnIqeQ3ZvavTqRRChWhyIrNZqerBBE3w6EaAoelcSFYw%2BsHsLvAWVG%2BOrswxkdSvIV7Y%2FwxlBXvxweNrdzk3O2qodpHD81S6ytYgSFNf3v6vAF4JooOBqkoiw2tqvF3k%2B36DqW4sa1hCxqGIGtLS5QBQcK33XNEu0FpwOINw7k2j85a0cvSoLyRu7%2Fsf156FjGJLb%2FnzO3Tg66nZ9bKYcI2RHB0GbN6tlXUmZn0dK5Sgs%2Fq4s77QnH801%2BB2uwfwML91vfNgXVDWVc4DwQugLqVPUu5NGPJpgXaSa79kii12fg905jeL2rGX%2Bg%2BrSVBZVeTH2j4IJtvmzU9g%2F2Nc5ruYHXLVsCqZpyzbvcmRobefw0MJFr0ruuJLaksPVm3hw%3D%3D) 我的业务代码中 `v-for` 创建多个 `iframe` ,只是删除某一个便会更新后方所有节点,很不好,如何避免呢? 可以让相同`key`的节点只移动位置不重新渲染吗?