Provided list of item keys contains duplicates

To handle the provided list of item keys containing duplicates, we can use JavaScript to filter out the duplicate values and display the unique values in an HTML content.

Here’s an example of how you can accomplish this:

“`javascript

“`

This code will create a `div` element and append it to the document body. Inside the `div`, it will display the unique item keys by looping through the filtered array and appending each item key as a text node. A line break is added after each item key for better readability.

The resulting HTML content, in a `div` element, will display the unique item keys from the provided list, without any duplicates:

“`
key1
key2
key3
key4
“`

You can include this code in an HTML file or embed it directly into the HTML content of a webpage to see the result.

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