Javascript Function Code to Split String at Random Space and Return 2 Part Array

Javascript Function Code to Take a String, Such as a Paragraph or Article, and Split into 2 Parts Splitting at a Random Space, Returning the 2 Parts of the JS Array

The following Javascript function takes any length string and splits it into a 2 part array with the split occuring at a random space within the text.

/* ----------------------------------------- SPLIT TEXT INTO TWO PARTS DIVIDED AT A RANDOM SPACE POINT AND RETURN ARRAY ------------------------------------------ */ function arr_random_paragraph_split(paragraph){ // SPLIT PARAGRAPH WORD BY WORD let arr = paragraph.split(' '); // GET RANDOM NUMBER BETWEEN 1 - TOTAL # WORDS let arrlen = arr.length; let rnum = (Math.floor(Math.random() * (arrlen - 1 + 1)) + 1); // CREATE LEFT PART FROM START TO RANDOM # WORDS let a = arr.slice(0, rnum); let start = a.join(' '); // CREATE RIGHT PART FROM RANDOM # WORDS TO END let b = arr.slice(rnum, arrlen); let end = b.join(' '); // RETURN LEFT AND RIGHT PART AS ARRAY return [start, end]; }