javascript - How does the ElementUI tree control find the parent node through the child nodes?

I used the ElementUI tree control and set check-strictly to true. There is no relationship between checking the child node and checking the parent node. Now that I have selected one of the child nodes, how can I pass this child node? Find its corresponding parent node or root node?

typecho 2017-06-26 10:57:25 0  1  1971

javascript - If the parent nodes of the nodes to be operated on by appendchild and removechild are both body, then there is no need to obtain the body parent node in advance. or

If the parent nodes of appendchild and removechild are both body, there is no need to obtain the body parent node in advance. Or if the parent node is not the body, it is necessary to obtain the parent node in advance before using it?

为情所困 2017-06-14 10:51:27 0  5  1013

How to get node in html tag?

If you use a click event, you can use event to find out the current node. However, if the event is not bound, how to obtain the current p node in the p tag {code...} My requirement is to use v-show=true when scrolling to different nodes through the scroll bar {code...} .} {code...}

曾经蜡笔没有小新 2017-05-19 10:34:54 0  4  772

React flowchart: Example demonstrating custom grouping nodes

I'm studying the documentation for the ReactFlow library and trying to find out if there is a way to create my own node that will be a group (I want to implement a custom title and style before the child nodes). I didn't find anything in the documentation - neither in the Docs/Subflow section nor in...

P粉312195700 2023-08-25 23:52:45 0  1  578

Node Js + JS input = document.getElementById

There is a node JS script (app.js) for sending a letter to the mail: const{response}=require("express");constexpress=require("express");constnodemailer=require("nodemailer"); constapp=express();constport=5000;//

P粉959676410 2024-03-30 21:04:09 0  1  621

mongodb - mongo建立replicaSet时为何无法收到其他节点回应？

我的mongodb版本是3.0.5，系统是Ubuntu14.04，在阿里云上运行。 我在三个节点上建立replicaSet，在初始的primary节点上rs.add加入其他节点时均返回 {代码...} 节点之间的网络可以肯定是连通的，另外两节点的mongo...

某草草 2017-04-27 09:02:06 0  0  989

javascript - Ask about blank text nodes

How can I remove those little dots in the picture? This is the html in my Firefox browser. I don’t know why these little dots appear. They are the little dots inside the blue stripes. Firefox displays these dots as whitespace-only text nodes. These blank text nodes all have widths.

世界只因有你 2017-05-16 13:36:26 0  1  652

angular.js - How does angular call the trigger method for new nodes?

How to call the triggerHandler method for dynamically added nodes in angular? My nodes are dynamically generated based on a table: {Code...} The click event is as follows: {Code...} However, the dynamically generated image calls my image upload and requires a double-click to be punished. I want to g...

phpcn_u1582 2017-05-15 17:08:56 0  2  532

How to customize the background color of Antd React directory tree node?

How to change the default background color of an antd directory tree node when the mouse is hovering over the tree node using less style? <Tree.DirectoryTree>{data.map((item)=>{return(<Tree.TreeNode//@ts-ignoreitem={item}icon={<></>}key={item.user_folder_id}title= {item.titl

P粉825079798 2023-09-03 12:09:15 0  1  733

javascript - Traverse dom nodes, convert it into an array, and sort the deeper ones to the front. How to achieve this?

As the title says, start from a node and traverse downward until all nodes are traversed. Arrange the deepest nodes at the front and convert these nodes into an array. How to achieve this?

高洛峰 2017-06-26 10:51:49 0  1  774

How to get the text node of an element?

<divclass="title">Iamtextnode<aclass="edit">Edit</a></div> I want to get "I am a text node", don't want the "edit" tag to be removed, and need a cross-browser solution.

P粉518799557 2023-08-24 10:28:37 0  2  599

How to implement virtual nodes

The purpose of virtual nodes is to store data more evenly and virtualize a real address into multiple virtual addresses. But how to implement the specific code? Is it client-side implementation or server-side implementation? Does the client class library provide support through configuration or does...

lzm 2018-04-15 14:58:08 1  0  1475

Vite-proxy node v17+ encounters ECONNREFUSED error

I'm using Nodev18.12.1 and vitev3.0.4. Below is my proxy code to connect to Node.jsRESTAPI from Vue.jsvite development server: proxy:{"/api":{target:"http://localhost:3000",changeOrigin:true,}} Updated mine from v16 After node version, I now receive this error from vite-proxy: [v...

P粉683665106 2023-11-07 20:00:40 0  1  1232

js find child node img and change src

{Code...} Now the image src is changed when the mouse stays on the img. I want to add the Onmouse attribute directly to the a link. How to find the node of this img and change the src of the img. Thank you {code...}

phpcn_u1582 2017-05-18 10:50:30 0  4  624

Simple XML - handling colons in nodes

I'm trying to read an RSS feed from Flickr, but it contains some nodes that SimpleXML can't parse (like media:thumbnail, flickr:profile, etc.). How can I solve this problem? When I look at the documentation for the DOM, I get a headache. So I want to avoid using DOM because I don't want to learn it....

P粉713866425 2023-07-29 08:35:35 0  2  583

Please tell me how to get the value of element node in php like js

For example, js can get the text or attributes of a certain element node and modify it. Can php do it?

水东水南 2018-09-06 22:46:11 0  2  1371

java - Is there any master related to zookeeper? Use ZKClient to create a node, but it is not displayed on the server?

I followed the code on zk's authoritative guide to create the node: {code...} and then I ran it twice. The following problem occurred: {code...} prompts that the master node already exists. But when I checked in the command line, I didn’t find the master node: {code...} Why is this? zk uses...

仅有的幸福 2017-05-17 09:58:50 0  1  754

javascript - How to use nextElementSibling to find the next node in js

{Code...} 1. Use nextElementSibling to find the next node with the id of dialogArea and modify its value. 2. Only use native js without jquery. 3. The purpose is to use the hidden input as the positioning coordinates to search downwards when the ID and class of the input cannot be obtained under som...

天蓬老师 2017-05-19 10:12:12 0  3  674

replica-set - mongodb replica set 添加从节点出错？

我在三台虚拟机上配置mongodb replica set副本集，使用conf文件启动mongodb {代码...} {代码...} 另外两台机器的启动命令和conf配置文件内容都是一样的，只有文件名和ip不同 将205server设置为primary节点 {代码....

曾经蜡笔没有小新 2017-05-02 09:19:18 0  0  1731

javascript - vue loads the page - can get the parent element - but cannot get the child nodes below

As the title says, load the page - you can get the parent element - but you can't get the child nodes below.

我想大声告诉你 2017-05-19 10:42:44 0  2  599