message：Error: utils/city.js: file: utils/city.js

 unknown: Identifier 'searchLetter' has already been declared. (6:9)

  4 | var searchLetter = ["A", "B", "C", "D", "E", "F", "G", "H","J", "K", "L", "M", "N", "P", "Q", "R", "S", "T", "W", "X", "Y", "Z"]

  5 |

> 6 | function searchLetter() {

    |          ^

  7 |     return searchLetter;

  8 | }

  9 |

ideVersion: 1.05.2106172

osType: win32-x64

time: 2021-06-21 15:25:46