O'Reilly logo

Isomorphic Go by Kamesh Balasubramanian

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Checking the client-side validation

We have everything in place now for the contact form's client-side validation. Let's open up the web browser with JavaScript enabled. Let's also have the web inspector open to check for network calls, as shown in Figure 7.18:

Figure 7.18: The contact form with the web inspector open

First, we will partially fill out the contact form, as shown in Figure 7.19:

Figure 7.19: The contact form filled out improperly

Upon clicking on the Contact button, we will trigger the form validation errors on the client side, ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required