Add editorconfig entry

.editorconfig

@@ -4,3 +4,7 @@ root = true
 end_of_line = lf
 insert_final_newline = true
 charset = utf-8
+
+[*.js]
+indent_size = 2
+indent_style = space

emacs.el

@@ -711,6 +711,8 @@ IF OK-IF-ALREADY-EXISTS is true force download."
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;; file handling
 
+(require 'editorconfig nil t)
+
 (setq revert-without-query '(".+"))
 
 ;; save cursor position