Cannot find module ‘@babel/core’
Try running this. babel changed their package so your babel-core will not be the same as @babel/core.
reactjs
Inserting the iframe into react component
You can use property dangerouslySetInnerHTML, like this Run code snippetExpand snippet also, you can copy all attributes from the string(based on the question, you get iframe as a string from a server) which contains <iframe> tag and pass it to new <iframe> tag, like that
ReactJS: setTimeout() not working?
Do Otherwise, you are passing the result of setState to setTimeout. You can also use ES6 arrow functions to avoid the use of this keyword:
Failed to compile. Module not found: Can’t resolve ‘react-router-dom’
I was facing the same issue. The following command will resolve it: npm install react-router-dom –save
How do you Hover in ReactJS? – onMouseLeave not registered during fast hover over
How can you achieve either a hover event or active event in ReactJS when you do inline styling? I’ve found that the onMouseEnter, onMouseLeave approach is buggy, so hoping there is another way to do it. Specifically, if you mouse over a component very quickly, only the onMouseEnter event is registered. The onMouseLeave never fires, … Read more
Cannot read property ‘bind’ of undefined. React.js
https://facebook.github.io/react/docs/reusable-components.html#no-autobinding No Autobinding Methods follow the same semantics as regular ES6 classes, meaning that they don’t automatically bind this to the instance. You’ll have to explicitly use .bind(this) or arrow functions =>: You can use bind() to preserve this Or you can use arrow functions We recommend that you bind your event handlers in the constructor so they are … Read more
setInterval in a React app
I see 4 issues with your code: In your timer method you are always setting your current count to 10 You try to update the state in render method You do not use setState method to actually change the state You are not storing your intervalId in the state Let’s try to fix that: This would result … Read more
Support for the experimental syntax ‘classProperties’ isn’t currently enabled
Change To This worked for me
How to handle the `onKeyPress` event in ReactJS?
I am working with React 0.14.7, use onKeyPress and event.key works well.
Is using async componentDidMount() good?
Let’s start by pointing out the differences and determining how it could cause troubles. Here is the code of async and “sync” componentDidMount() life-cycle method: By looking at the code, I can point out the following differences: The async keywords: In typescript, this is merely a code marker. It does 2 things: Force the return type to be Promise<void> instead of void. … Read more