Use virtual-dom for questions related to an object model which mimics the structure of and intercepts events normally handled by the real document object model (DOM).
The virtual-dom applies of the technique of double buffering to the DOM. It is used for many purposes, including:
security: sandboxing DOM mutation
performance: minimization of repaints and reflows
testing: performing static analysis on the rendered tree
I'm newbie in virtual DOM topic and last days I've been thinking of how it should work.
Let's imagine that I have a simple template engine in my project, for instance twig. And I'm using vue.js as a javascript framework.
So I could build the…
I need to intercept and potentially rewrite/proxy various api requests such window.PostMessage, window.location.href, XHR etc.
There are several solutions such xhook but these seem to work only for a small subset of APIs and only in specific…
For example, a component like this:
import React, { Component } from 'react';
import BodyContent from './BodyContent';
import BottomOne from './BottomOne';
import BottomTwo from './BottomTwo';
class App extends Component {
render() {
return (
…
Supposed that in a function, i always need to set someState, and only need to set someOtherState if condition is true.
Is it preferable to do it like this:
this.setState({ someState });
if (condition) {
this.setState({ someOtherState });
}
Or…
I have a client side JS library(call it lib.js) which uses jQuery. The library fires an API using ajax and renders html based on the json response received.
Due to SEO concerns, I want to create another nodejs based API, which does all the client…
I try to animate a div with reactjs using async data via redux and it's not clear to me when can I have a reference to the virtual dom on state loaded.
In my case I have a div with id header where I would like to push down the container when data…
My React app makes a third party service call to load content that needs to be injected into DOM by specified CSS selector. It can be anywhere on the page. How exactly can I inject this content into React app by specified selector to make sure…
I was reading this Medium article on making your own VirtualDOM and understood it until I came across this JSfiddle, specifically line 14, where it says $el.appendChild.bind($el);. It looks like he's trying to appendChild without any arguments (just…
I am encountering a strange issue with Angular 2 change detection when using a recursive function to read user drag & dropped files.
Refer to here for the example:
File drop example: plnkr.co
In the example above, there are two file drop areas. The…
I need to set component dimensions depending on parent element. Is it possible to get width and height of parent by ref from virtualDOM before it renders?
Parent
export default class App extends React.Component {
render() {
return (
…
I am trying to return a button in some function on UI and get a wierd error. Can someone please help.
var div = ""
Error i get is:
missing ) after argument list.
I want to use Maquette as a basic hyperscript language. Consequently, I don't want to use the maquette.projector. However, I'm having a hard time getting any of the maquette.dom functions to work.
var h = maquette.h;
var dom = maquette.dom;
var…
The React Documentation on Reconciliation says
When children have keys, React
uses the key to match children in the original tree with children in
the subsequent tree.
I understand that with every list item having a unique key, the DOM…
