Duplicate Word Checker
Enter a sentence and click the button to check for duplicate words:
This code creates a simple web page with an input field where the user can enter a sentence and a button to check for duplicate words. When the button is clicked, the input sentence is split into an array of words, and each word is counted and stored in an object. Then, the code checks if any word appears more than once and displays the result on the page. The code is written in a way that should work on any device and adjust to different screen sizes.
