How to add custom notification message on Shopify checkout page

Today, I’ll write Quick tutorial on how to add custom notification message on shopify checkout. We’ll add two notifications, first one will remain visible all the time on shipping address page and second one will appear if customer select shipping country other than “United States”.

Here is the demo.

Here are the implementation steps:

Step 1: Go to Shopify Admin Panel. Under Sales Channel, Click on “Online Store” and after go to “Preferences” page.
Step 2: Under Google Analytics Section, It will have an option “Add Custom JavaScript to Google Analytics”. Just click on that.
Step 3: Paste this code in the script box.

function countryCheck(country) {
	if(country != 'United States'){           
	   Checkout.$("#country-message").show(0);
	} else {
	   Checkout.$("#country-message").hide(0);
	}
}
if(typeof Checkout === 'object'){
	if(typeof Checkout.$ === 'function'){
		//Default Message will be visible where as country specific message will be hidden
		notificationMsg = '<p id="default-message" style="background-color:#eee; padding:10px; margin:10px 0;">This is a default message. It will appear on page load.</p><p id="country-message" style="background-color:#eee; padding:10px; margin:10px 0; display:none;">This message will appear when you select country other than US.</p>';
		
		//Country Selectbox Selectbox
		$countrySelectboxId = Checkout.$("#checkout_shipping_address_country");
		
		// Insert Default Message on Page Load above the shipping methode section
		Checkout.$(notificationMsg).insertBefore('.section--shipping-address');
		
		// Check Country on Page Load
		countryName = $countrySelectboxId.val();
		
		// Call Country Check function on Page Load
        countryCheck(countryName)

		// Call Country Check function on selectobox change
		$countrySelectboxId.on("change", function(){
			countryName = $countrySelectboxId.val();
			countryCheck(countryName)
		});
		
		
	} // if ends

} // if ends

Now, Just save and then test.

You can also check the final code files on github: https://github.com/amandeepsinghvirdi/shopify-checkout