Magento – Magento 2: Uncaught TypeError: Cannot read property ‘*’ of undefined in (section-config.js:33)

addtocartjavascriptmagento-2.1magento2

It's duplicate question but I am facing the same issue while adding the product & removing items from the cart page.

I have spent almost a day to resolve but no luck hope someone could help me with this.

Error Message in the console:

Uncaught TypeError: Cannot read property '*' of undefined in (section-config.js:33)

Edit: I have run the deploy & deleted all the cache still issue persist.

Best Answer

I had this issue and found my way to this page several times.

I ran into this when a custom module links js in the html head from an xml layout and dev/js/enable_js_bundling + dev/js/minify_files are both set to 1, with JS deferred to the bottom of the page (either with a 3rd party plugin or dev/js/move_script_to_bottom as of 2.3.2).

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Magento – Magento 2 Store switcher error in “section-config.js” Uncaught TypeError: Cannot read property ‘*’ of undefined(…)

I had the same problem and found out that these two blocks where not called any more due to customizations in the theme.

The two blocks are per default added in the <referenceContainer name="content"> of vendor/magento/module-customer/view/frontend/layout/default.xml.

Try re-adding these blocks in your layout.xml:

<block name="customer.section.config" class="Magento\Customer\Block\SectionConfig"
    template="Magento_Customer::js/section-config.phtml"/>
<block name="customer.customer.data"
    class="Magento\Customer\Block\CustomerData"
    template="Magento_Customer::js/customer-data.phtml"/>

Magento – Uncaught TypeError: Cannot read property ‘nodeName’ of undefined in custom js admin panel

add this code you will resolve the problem

if ($("#popup-modal").length != 0) {

var popup = modal(options, $('#popup-modal')); 

jQuery('#popup-modal').modal('openModal');

}

Best Answer

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Magento – Magento 2 Store switcher error in “section-config.js” Uncaught TypeError: Cannot read property ‘*’ of undefined(…)

Magento – Uncaught TypeError: Cannot read property ‘nodeName’ of undefined in custom js admin panel

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