We noticed that on luma template, validation of email has delayed of 2 seconds. We want to override it so it doesn't have any delay upon email field changed. Is this possible to override?

return Component.extend({
    defaults: {
        template: 'Magento_Checkout/form/element/email',
        email: checkoutData.getInputFieldEmailValue(),
        emailFocused: false,
        isLoading: false,
        isPasswordVisible: false,
        listens: {
            email: 'emailHasChanged',
            emailFocused: 'validateEmail'
    checkDelay: 2000,

This can be done by using mixin, and overriding js using requirejs-config.js

Add this to the file requirejs-config.js file which is added in view/frontend of your module/theme

var config = {
    'config': {
        'mixins': {
            'Magento_Checkout/js/view/form/element/email': {
                'Your_Module/custom': true

And then in your custom.js file

define([], function () {
    'use strict';

    return function (Component) {
        return Component.extend({
            checkDelay: 1000,

Another way is you can simply override the js file, by placing the email.js file at this location of your theme -

  • Glad could help :) – Gagan Jul 25 '18 at 7:05

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