parameters: (filename)
return_statement: return os.path.splitext(filename)[1] == ".js"
docstring: Returns true if 'filename' ends in .js, and false otherwise.
docstring_summary: Returns true if 'filename' ends in .js, and false otherwise.
docstring_tokens: Returns true if filename ends in . js and false otherwise .
function: def is_js_file(filename):
      """
      Returns true if 'filename' ends in .js, and false otherwise.
      """
      return os.path.splitext(filename)[1] == ".js"
function_tokens: def is_js_file ( filename ) : return os . path . splitext ( filename ) [ 1 ] == ".js"