pick the correct one icon image from given data (four icon images)

Here's an example of how you can pick the correct icon image from four given options in JavaScript. We'll use a simple function that takes the correct icon index and the four icon images as arguments.

```javascript
// Define the four icon images
const icon1 = document.getElementById('icon1');
const icon2 = document.getElementById('icon2');
const icon3 = document.getElementById('icon3');
const icon4 = document.getElementById('icon4');

// Define the correct icon index
const correctIconIndex = 2;

// Function to pick the correct icon image
function pickCorrectIcon(correctIconIndex) {
  // Check if the correct icon index is within the valid range
  if (correctIconIndex >= 1 && correctIconIndex <= 4) {
    // Get the correct icon image based on the index
    const correctIcon = [icon1, icon2, icon3, icon4][correctIconIndex - 1];
    
    // Add a class to the correct icon to highlight it
    correctIcon.classList.add('correct-icon');
  } else {
    console.error('Invalid correct icon index');
  }
}

// Call the function to pick the correct icon image
pickCorrectIcon(correctIconIndex);
```

In this example, we assume that the four icon images are HTML elements with IDs `icon1`, `icon2`, `icon3`, and `icon4`. The `pickCorrectIcon` function takes the correct icon index as an argument and adds a class `correct-icon` to the corresponding icon image.

You can customize this code to fit your specific use case and icon image implementation.

### Example Use Case:

Suppose you have a quiz application where users are presented with four options, and they need to select the correct answer. You can use the `pickCorrectIcon` function to highlight the correct answer.

```html
<!-- HTML structure -->
<div class="quiz-options">
  <img id="icon1" src="option1.png" alt="Option 1">
  <img id="icon2" src="option2.png" alt="Option 2">
  <img id="icon3" src="option3.png" alt="Option 3">
  <img id="icon4" src="option4.png" alt="Option 4">
</div>
```

```javascript
// Define the correct icon index
const correctIconIndex = 3;

// Function to pick the correct icon image
function pickCorrectIcon(correctIconIndex) {
  // Check if the correct icon index is within the valid range
  if (correctIconIndex >= 1 && correctIconIndex <= 4) {
    // Get the correct icon image based on the index
    const correctIcon = document.getElementById(`icon${correctIconIndex}`);
    
    // Add a class to the correct icon to highlight it
    correctIcon.classList.add('correct-icon');
  } else {
    console.error('Invalid correct icon index');
  }
}

// Call the function to pick the correct icon image
pickCorrectIcon(correctIconIndex);
```

In this example, the `pickCorrectIcon` function is called with the correct icon index `3`, which corresponds to the fourth icon image. The function adds a class `correct-icon` to the fourth icon image to highlight it as the correct answer.