Dancing with Browsers: Embracing is.opera and is.not_opera in JavaScript with 'thiis
Tags: beginners, webdev, programming, javascript
Published: 2023-11-17 23:01:11

Browsing the web is like dancing through a myriad of browsers, each with its own unique steps. JavaScript, being the versatile language it is, allows us to adapt our moves based on the browser we're grooving with. Enter the 'thiis' package and its stellar duo: `is.opera` and `is.not_opera`. In this article, we'll pirouette through these methods, exploring their magic and adding a sprinkle of fun to our JavaScript browser dance.

![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/a446ourggnh273msr7eo.jpeg)

## The Symphony of Browsers

Before we take the stage, let's appreciate the diverse orchestra of browsers out there. Each browser has its rhythm, its own way of interpreting our JavaScript melodies. And sometimes, we want to tailor our steps to a specific browser's beat.

## Meet `is.opera` - Your Browser Dance Partner
[Documentation link](https://karbashevskyi.github.io/thiis/docs/API/Browser/is.opera)

Imagine you're preparing for a dance routine, and you want to make sure it's perfectly synchronized with Opera's steps. The `is.opera` method acts as your dance partner, ensuring that the user's browser is, indeed, Opera. Let's take it for a spin:

```javascript
import { is } from 'thiis'; // Import the "is" object from the "thiis" package

const isOperaBrowser = is.opera();

if (isOperaBrowser) {
  // Time to choreograph your moves for Opera!
  console.log("Let's waltz with Opera!");
} else {
  // Handle the scenario where Opera isn't the star of the show.
  console.log("Not Opera, but the show must go on!");
}
```

In this example, we use the `is.opera` method to check if the user's browser is Opera. If it is, we print a message to waltz with Opera; otherwise, we gracefully acknowledge that the show must go on, regardless of the browser.

## The Dance Floor of Examples

Now, let's twirl through a series of delightful examples showcasing the elegance of `is.opera` and the versatility of `is.not_opera`. We'll explore six scenarios, including a charming dance with `stream$` and a lively performance with an array.

### 1. **Tailoring Styles for Opera**

Sometimes, you want to apply specific styles only if the user is gracefully waltzing through the web with Opera:

```javascript
import { is } from 'thiis';

const danceFloorElement = document.getElementById('danceFloor');

if (is.opera()) {
  // Apply Opera-specific styles
  danceFloorElement.style.background = 'linear-gradient(to right, red, white)';
} else {
  // Styles for other browsers
  danceFloorElement.style.background = 'linear-gradient(to right, blue, white)';
}
```

Here, we use `is.opera()` to apply a special background gradient if the user's browser is Opera.

### 2. **Choreographing Animations for Opera**

Want to add a touch of magic to your web animations specifically for Opera users? Let `is.opera` be your guide:

```javascript
import { is } from 'thiis';

const danceMoveElement = document.getElementById('danceMove');

if (is.opera()) {
  // Choreograph special animation for Opera
  danceMoveElement.classList.add('operaDanceAnimation');
} else {
  // Default animation for other browsers
  danceMoveElement.classList.add('defaultDanceAnimation');
}
```

In this scenario, we apply different dance animations based on whether the user is using Opera or another browser.

### 3. **Smooth Transitions for Opera Users**

Smooth transitions make for a delightful browsing experience. Let's make transitions even smoother for Opera users:

```javascript
import { is } from 'thiis';

const pageElement = document.getElementById('pageContent');

if (is.opera()) {
  // Apply Opera-specific smooth transitions
  pageElement.style.transition = 'background 0.5s ease-in-out';
} else {
  // Default transitions for other browsers
  pageElement.style.transition = 'color 0.3s linear';
}
```

Here, we use `is.opera()` to apply a background transition specifically for Opera users.

### 4. **Streaming with Opera**

Let's bring Opera into the world of streams using RxJS. We'll filter the stream to only include Opera users:

```javascript
import { is } from 'thiis';
import { from } from 'rxjs';
import { filter } from 'rxjs/operators';

const allUsers$ = from([
  { browser: 'Chrome', name: 'Alice' },
  { browser: 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/88.0.4324.182 Safari/537.36 OPR/74.0.3911.218', name: 'Bob' },
  { browser: 'Firefox', name: 'Charlie' },
]);

allUsers$
  .pipe(
    filter(user => is.opera(user.browser))
  )
  .subscribe(operaUser => {
    console.log(`${operaUser.name} is dancing with Opera!`);
  });
```

In this example, we use `filter` and `is.opera` to stream only the users who are dancing with Opera.

### 5. **Array of Opera Lovers**

Arrays can also be part of our dance routine. Let's check if there are any Opera enthusiasts in the array:

```javascript
import { is } from 'thiis';

const browserPreferences = ['Chrome', 'Firefox', 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/88.0.4324.182 Safari/537.36 OPR/74.0.3911.218', 'Safari'];

const hasOperaLover = browserPreferences.some(browser => is.opera(browser));

if (hasOperaLover) {
  console.log("We've got an Opera lover in the house!");
} else {
  console.log("No Opera lover here, but the dance continues!");
}
```

Here, `some` and `is.opera` help us find out if there's an Opera enthusiast in the array.

### 6. **Sending Opera Love**

Lastly, let's express our love for Opera users by sending them a personalized message:

```javascript
import { is } from 'thiis';

const userBrowser = getUserBrowser();

if (is.opera(userBrowser)) {
  alert('Hello Opera enthusiast! Enjoy the dance!');
} else {
  alert('Hello! Thanks for

 joining the dance.');
}
```

In this friendly example, we use `is.opera` to send a personalized message to Opera users.

## The Grand Finale

The `is.opera` and `is.not_opera` methods from the 'thiis' package are your dance partners in the intricate world of JavaScript browsers. They allow you to tailor your moves, apply specific styles, and create delightful experiences for users gracefully waltzing through the web with Opera. By adding the 'thiis' package to your JavaScript toolkit and exploring its documentation for more tips and examples, you can turn your web development journey into a joyful dance.

So, keep dancing through the world of JavaScript, and remember that every browser brings its unique rhythm to the party! 

> 🎗 ChatGPT & DALL·E 3