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How to Fix: Script Error That Prevents Elements From Loading | "Function YYYY Is Not Defined"

How to Fix: Script Error That Prevents Elements From Loading | "Function YYYY Is Not Defined"
Anne Burns
By Anne BurnsJul 31, 2023
Anne Burns
Director of Marketing

Branding specialist with over ten years of experience in integrated marketing strategies, digital and social content, search engine optimization, and online advertising. I have led efforts to bring newsrooms, small businesses, and legacy brands into a digital presence that’s true to brand, profitable, and personalized.

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One of the most common errors we see in developer consoles is: "Function YYYY is not defined," like the example below:

To avoid this issue whenever you have a custom function, verify that the function exists in the previous page:

This is particularly important because this error can break your infinite scroll or other native JavaScript on RebelMouse. If you have any questions, please email support@rebelmouse.com.

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