https://www.umb.edu/media/umassboston/site-assets/javascript/character-word-count-head.js

1    function limitWordsByCharCount(inputString, wordLimit, charLimit) {
2        // Split the input string into an array of words
3        const words = inputString.split(' ');
4
5        // Initialize variables for the word count and total character count
6        let wordCount = 0;
7        let charCount = 0;
8        let result = [];
9
10        // Iterate over the words
11        for (let word of words) {
12            // If adding this word doesn't exceed the character limit, add it to the result
13            if (charCount + word.length + (result.length > 0 ? 1 : 0) <= charLimit && wordCount < wordLimit) {
14                result.push(word);
15                charCount += word.length + (result.length > 1 ? 1 : 0); // Add space between words if not the first word
16                wordCount++;
17            } else {
18                break; // Stop if we've reached the word limit or character limit
19            }
20        }
21
22        // Join the result array into a string and return it
23        return result.join(' ');
24    }