algorithm5.html

<!DOCTYPE html>
<html>
<body>


<script>

  //https://www.freecodecamp.org/learn/javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/spinal-tap-case
  // Convert a string to spinal case. Spinal case is all-lowercase-words-joined-by-dashes.


    function spinalCase(str) {
     
       var newStr = str.split(/([ _])|(?=[A-Z])/).filter(a=> a!==undefined && a!==" " && a!=="_" && a.length>0).join("-").toLowerCase();

  return newStr;
}

//tests 

console.log(spinalCase('This Is Spinal Tap'));
console.log(spinalCase('thisIsSpinalTap'));
console.log(spinalCase('The_Andy_Griffith_Show'));
console.log(spinalCase('Teletubbies say Eh-oh'));
console.log(spinalCase('AllThe-small Things'));


</script>

</body>
</html>