Instructions for the fs.existsSync method in node.js

method description:

fs.exists ().

syntax:

fs.existsSync(path)

Since this method belongs to fs module, fs module (var fs= require(" fs ") needs to be introduced before use.)

receive parameters:

The file path to be detected by path  .

source code:

fs.existsSync = function(path) {

  try {

    nullCheck(path);

    binding.stat(pathModule._makeLong(path));

    return true;

  } catch (e) {

    return false;

  }

};