Which email clients support javascript

The majority of email clients don't support every type of HTML content you see on the web. Web browsers are able to display scripts, animations, and complex navigation menus, while your typical email inbox isn't built to handle this type of content.

In this article, you'll learn about content types to avoid in your email designs, and what to use instead. The viewing technology of a typical email client isn't as up-to-date as a web browser. Web browsers display interactive, dynamic content, and they update often.

You can include certain elements, like background images and custom fonts, in your Mailchimp templates. Not all email clients support these elements, so we recommend that you thoroughly preview and test your campaigns before you send to your entire audience. Some email clients don't support animated GIFs, but if you would like to include a GIF in your campaign, you can insert one into your campaign directly from Giphy. If you upload a GIF directly in Mailchimp, it's usually best to edit your animated content first.

Our built-in Photo Editor alters image files in order to edit them, a process not built for animated content, and this can cause GIFs to break.

Check out Litmus' guide for additional helpful information on animated GIFs and which email clients support them. Mailchimp supports background images in the preheader, header, body, column, and footer sections of our drag-and-drop templates. If you use a custom HTML template, you can add a background image with our template builder. Background images don't render in every email client, and may appear differently in mobile clients, so it's important to thoroughly preview and test your campaigns before you send to your audience.

Mailchimp's Editor toolbar allows you to use standard fonts and a select number of custom web fonts. If an email client doesn't support a web font used in your campaign, we'll replace it with a standard font instead. Your subscribers often open campaigns on mobile devices or in the preview pane of desktop email clients.

Email viewing panes are narrow, so they'll cut off your message if it's wider than px. The following elements are blocked by nearly all major email clients. Support is either extremely limited, or nonexistent. JavaScript is a programming language that makes web content interactive. It's common in websites, but the vast majority of email clients block scripts since they can hide malicious content.

Avoid all JavaScript. Try gifs to make your content more engaging. If I wanted to design a fully "light pattern" for "Unsubscribe" in an email newsletter, is it possible for HTML within an email to update in any way dependent on server-side data?

What I would want is a button that simply says "Unsubscribe", and after it has been clicked, and the server has received it, the button would update to some kind of clear message of "Unsubscribed Successfully". Henry Wilson Henry Wilson 3 3 bronze badges. Except it doesn't remove it from the email - the text is still present, it just doesn't execute it. This has nothing to do with Javascript. Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password.

Post as a guest Name. Email Required, but never shown. The Overflow Blog. Does ES6 make JavaScript frameworks obsolete? Podcast Do polyglots have an edge when it comes to mastering programming Featured on Meta. Now live: A fully responsive profile. That makes it a really bad idea to use them directly from client-side — revealing your password or your secret keys will allow anyone to send emails on your behalf.

EmailJS keeps your authentication details on the server-side, and the client-side code just triggers a predefined email template, similarly to how any client-server application is working. A better way to think of EmailJS in terms of security is not as a service that allows you to send email from Javascript, but rather as a service that allows you to create a predefined set of emails via the dashboard, and then just trigger the emails from the Javascript.

This is quite similar to how emails are usually sent via a proprietary server code, and also to the way products like Intercom or customer. That said, most email clients don't fully support all the HTML and CSS features, so please refer to this Campaign Monitor guide opens new window to learn about the various restrictions. Our service sends emails as multipart related! This means that emails contain HTML and plain text.