[JS Practice] Return substring instance count

Title :

Return substring instance count


Complete the solution so that it returns the number of times the search_text is found within the full_text.

Usage example:

solution('aa_bb_cc_dd_bb_e', 'bb') # should return 2 since bb shows up twice
solution('aaabbbcccc', 'bbb') # should return 1

My solution :

function solution(fullText, searchText){
  return fullText.split(searchText).length-1;


Ref. from codewars


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