There are lots of SO questions and blogs on the internet attempting to explain what virtual dom is, but this question is about why this kind of optimisation has to be to implemented in JavaScript/a...

It is not advised to use Bootstrap directly with React because Bootstrap's JavaScript may alter the DOM directly, interfering with React's Virtual DOM system. Can one say the same about Angular (2+...

In .angular-cli.json, I got some global styles: "styles": [ "../node_modules/bootstrap/dist/css/bootstrap.css", "../node_modules/font-awesome/css/font-awesome.css", "../node_modules/ng2-toastr/...

I saw a React dev talk at (Pete Hunt: React: Rethinking best practices -- JSConf EU 2013) and the speaker mentioned that dirty-checking of the model can be slow. But isn't calculating the diff betw...

What does Angular 2 use to update the DOM. Is it Shadow DOM or Virtual DOM ? Was there any such concept in Angular 1?

I have a UI where I render a <GridList> with tiles that I define as custom components. When I first wrote this, I was a bit confused about the nature of React hooks, how props are passed etc....

"test" is an array of object in my vue data var vue = new Vue({ el: '#content', data: { test: [ { array: [0, 0, 0, 0] }, { array: [0, 0, 0, 0] } ], number: 0 }, methods: { setNumb...

I have a React component which has 2000 elements and based on some filter conditions I update my state, which internally causes re-rendering. Everything seems to be working fine. But when I togglef...

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Let's say we have a parent component and multiple functional child components. I want to clearly know if the parent re-renders does the child re-renders or not. After going through a few articles...

I know that this subject has been discussed a lot obviously, but I'm not sure how to research my question that is rather specific and I hope it follows the rules here. I know that to decide whethe...

I understand that React creates a virtual DOM and compares the difference and then just updated the actual element of the real DOM but how is that more efficient if I change it manually? Via getEle...

I understood how change detection works in Angular 5.0. Can some one help me to understand how the same works in React and how much it was different from Angular's ?

From ReactJS wiki page about Virtual DOM: React creates an in-memory data structure cache, computes the resulting differences, and then updates the browser's displayed DOM efficiently. This al...

I read that ReactJS is very fast compared to other frameworks because if uses virtual dom. What I am not able to understand is ultimately all framework has to push dom objects in browser. How vir...

when i use react ,i find these two life cycle are too similar, componentWillReceiveProps receive nextProps as argument, shouldComponentUpdate receive nextProps and nextState as arguments, so i thin...

I've read from the sources that If I update the state of any component than the whole virtual dom will be render ? Is It True ? If Yes, Then Why render method of all component not called ? Also, N...

I have nested click event handlers within a component: class ListItem extends React.Component { ... render() { return ( <div onClick={this.save}> ...Content... <span onClick={this.o...

Is it possible to get the event target's parent node on the virtual DOM? In my basic react component I have a method which is triggered from onClick event, I would like to get the parent virtual D...

Does implementing Shadow DOM in my projects will make them faster like virtual DOM that's used by React?

I want to use Foundation's reveal plugin to display a nice modal in a Cycle.js app. After playing with Webpack and it's configuration for hours, I figured how to propertly import foundation's js i...