A confirmation popup bar for Marketo Forms
You've seen double-confirmation popups on forms before, I'm sure. They're helpful for giving end users an additional nudge to use their legal name, a working email, and so forth. →
Stay (somewhat) aware of the Forms 2.0 event listener limit
If you see an “EventEmitter memory leak” error in your browser console, you've almost certainly done something wrong in JS. But don't take it personally: that something might've been innocently copying-and-pasting code from the Marketo developer docs →
Marketo Forms Patterns: The “Not You?” session regen link
When you select "If Known Visitor, show Custom HTML" for a Forms 2.0 form, you get a built-in "Not You?" link. But what if you want to offer that same functionality while still showing the original form? →
Lightweight A/B testing using Velocity
Velocity's MathTool.random() function can randomize content across leads, an easy form of A/B testing. →
Code Anatomy: MktoForms2.allForms() doesn't mean “all forms ready”
Even if you're skilled at JavaScript in general, you still need to understand Marketo Forms JS in particular. Otherwise, your best-intentioned form behaviors won't quite work. →
Code Anatomy: Check if a list of values and/or variables are all equal
JavaScript is so flexible, and so quickly evolving, that you can meet a tiny tech requirement in infinite ways. Even after kicking out broken code and bad-code-that-sort-of-works, you have lots of equally right ways left to choose from. Let's build one of those right ways. →
Conditionally loading Munchkin on Marketo LPs (for GDPR & related policies)
I've written before about disabling Munchkin for certain IP ranges, and about custom Munchkin options on Marketo LPs (where Munchkin is injected automatically with special options). Honoring anti-cookie/anti-tracking legislation like GDPR requires a combo of these earlier concepts. →
More links Munchkin won't track (unless you tell it to) - Part 1 of 2
You probably don't realize that Munchkin ignores clicks, by default and by (curious) design, on 6 different types of links. Let's dive in! →