Cannot access offset of type string on string duplicate
Introduction
This error means that you are trying to access the index 1 size of the string which is not valid. Be sure to check that
uploadSingleFile is.
Cause
The issue is that
course_data from your sample code is being returned as a string and you're trying to use array offsets to on it.
Solution
You can fix this error by checking the type of
course_data and converting it to an array if necessary. For example, you could use the following code: ``` if (typeof course_data === "string") { course_data = JSON.parse(course_data); } ```
Conclusion
This error is relatively easy to fix, but it can be frustrating if you don't know what's causing it. By following the steps in this article, you should be able to fix the error and get your code working again.
Comments