lib/ruby2js/converter/block.rb in ruby2js-3.0.11 vs lib/ruby2js/converter/block.rb in ruby2js-3.0.12

@@ -26,14 +26,14 @@
           put "for (#{es2015 ? 'let' : 'var'} "; 
           parse var; put " = "; parse expression.children.first
           put "; "; parse var; 
           if call.children[2].type == :int and call.children[2].children[0] < 0
             put " #{comp.sub('<', '>')} "; parse expression.children.last
-            put "; "; parse var; put " -= "
-            parse s(:int, -call.children[2].children[0])
+            put "; "; parse s(:op_asgn, var, :-, 
+              s(:int, -call.children[2].children[0])), :statement
           else
             put " #{comp} "; parse expression.children.last
-            put "; "; parse var; put " += "; parse call.children[2]
+            put "; "; parse s(:op_asgn, var, :+, call.children[2]), :statement
           end
           puts ") {"
           scope block
           sput "}"
         ensure