I'm trying to change a couple error messaging strings on the frontend in 2 places. First in the regular customer login.

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And also in the tooltip in the checkout login. I've tried editing translations, overriding validation js files and nothing seems to be working.

  • Is the issue specific to Error messages (JS string) only ? Are translations for normal text strings working?
    – Devtype
    Commented Nov 15, 2016 at 17:23
  • @Devtype. Yes. This is for JS error messaging only.
    – Paul
    Commented Nov 15, 2016 at 18:05

3 Answers 3


Please check that validation errors text in lib/web/mage/validation.js is like $.mage.__('validation error msg') and not like 'validation error msg'.

If it is not using $.mage.__() it will not be translated and you need to override this file in your theme inside app/design/frontend/Vendor/theme-name/web/mage.

Here you need to use $.mage.__('') and put error msgs like $.mage.__('Please enter a valid email address (Ex: [email protected]).') Also you can change validation messages here.



It's my solution, now debugging. Please try.

I already put translation csv.


vendor/magento/magento2-base/lib/web/mage/validation/validation.js vendor/magento/magento2-base/lib/web/mage/validation.js

into your Theme.



Modify require-config.js

var config = {
       map: {
           '*': {
               "validation": 'js/locale/validation/validation',
               'mage/validation': 'js/locale/validation'

Then, clean up your cache etc. and,

bin/magento setup:static-content:deploy

Firstly, you can ensure that normal translations (non JS) are working. For UI components and JS error messages etc I experience that you've to deploy static files for translations to take affect.

bin/magento setup:static-content:deploy

Clear the cache and it should work.

  • I've tried changing the translation in my theme's csv file, and deployed the static content and it still doesn't work. I can verify that text in that csv file is being translated properly. It seems that changing js validation messaging isn't as simple editing the translation file.
    – Paul
    Commented Nov 16, 2016 at 15:51

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