What is event emitter for?

[…] EventEmitter is really an Angular abstraction, and should be used pretty much only for emitting custom Events in components . Otherwise, just use Rx as if it was any other library. This is stated really clear in EventEmitter’s documentation. Use by directives and components to emit custom Events.

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Can I use JavaScript library in React?

The react- script-tag is a package that comes up with a <script> tag that supports universal rendering. With the help of this library, we can directly append the <script> tag to our document. And inside the ‘src’ attribute of the script tag, we can include the URL of the external JavaScript library.

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Can we use addEventListener in React?

When using React, you generally don’t need to call addEventListener to add listeners to a DOM element after it is created. Instead, just provide a listener when the element is initially rendered. You have to be careful about the meaning of this in JSX callbacks. In JavaScript, class methods are not bound by default.

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What is event and event emitter?

It adds the listener at the end of the listener’s array for the specified event . Multiple calls to the same event and listener will add the listener multiple times and correspondingly fire multiple times. Both functions return emitter, so calls can be chained. Emitting events: Every event is named event in nodejs.

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