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  1. function slide(s, n) {
  2. let s1 = '';
  3. let s2 = '';
  4. let pn = n-1;
  5. let i;
  6. for (i = 0; i < s.length; ++i) {
  7. if (i === pn) {
  8. s1 += s[i];
  9. s2 += '*';
  10. } else {
  11. s1 += '*';
  12. s2 += s[i];
  13. }
  14. }
  15. return s1 + '\n' + s2 + '\n';
  16. }
  17.  
  18. console.log(slide('abc', 1));
  19. console.log(slide('abc', 2));
  20. console.log(slide('abc', 3));
Success #stdin #stdout 0.04s 146816KB
stdin
Standard input is empty
stdout
a**
*bc

*b*
a*c

**c
ab*