Codewars 7 Kyu Coloured Triangles Javascript

Summary

this one uses the replace() method and recursion kata link: ... this one is pretty straight forward kata link: finding triangular numbers triangular numbers info: en.wikipedia.org/wiki/Triangular_number. this one uses the map() and split() methods kata link: this one uses a double for loop and the map() and indexOf() methods kata link: ... this one uses the String() constructor and the repeat() and join() methods kata link: ... this one uses spread syntax (...) kata link: this one uses the indexOf() and slice() methods kata link: this one uses a for loop and the reduce() method kata link: ... this one uses double for loops, the replace() method, and more kata link: ... this one is just a math trick kata kata link: this one uses the forEach() and concat() methods, and the ternary operator kata link: ...