Stuck on an issue?
Lightrun Answers was designed to reduce the constant googling that comes with debugging 3rd party libraries. It collects links to all the places you might be looking at while hunting down a tough bug.
And, if you’re still stuck at the end, we’re happy to hop on a call to see how we can help out.
Uncaught TypeError: Cannot read property 'firstChild' of undefined
See original GitHub issueUsing your demo markup from CodePen and your scripts installed via Bower I am getting the following error
Uncaught TypeError: Cannot read property 'firstChild' of undefined. on line 66 of photoswipe.js
Issue Analytics
- State:
- Created 8 years ago
- Comments:11 (1 by maintainers)
Top Results From Across the Web
html - javascript Uncaught TypeError: Cannot read property ...
This error means the elem object is null . Check the fld value passed and see whether an object with that id actually...
Read more >TypeError: Cannot read property 'firstChild' of Null in JS
The "Cannot read property 'firstChild' of null" error occurs when trying to access the firstChild property on a null value. Variables that store...
Read more >TypeError: Cannot read property 'firstChild' of undefined #487
I encounter the following error when initializing a GmapMap from 'vue2-google-maps/dist/components/map' inside Vue app: Uncaught (in ...
Read more >Cannot read property 'firstChild' of null after upgrading to ...
If commentReplyTitleId does not exist, r will be null , hence different than undefined , so it tries to get the firstChild ....
Read more >Cannot read property 'firstChild' of undefined - Jenkins Jira
Hello,. We have a problem to access to configure page of a job because of a js exception : Uncaught TypeError: Cannot read...
Read more >
Top Related Medium Post
No results found
Top Related StackOverflow Question
No results found
Troubleshoot Live Code
Lightrun enables developers to add logs, metrics and snapshots to live code - no restarts or redeploys required.
Start Free
Top Related Reddit Thread
No results found
Top Related Hackernoon Post
No results found
Top Related Tweet
No results found
Top Related Dev.to Post
No results found
Top Related Hashnode Post
No results found
Moving initiating <script> after .pswp solved that problem for me.
@fkamlesh The solution is if you are referring codePen example then, do not forget to add the HTML that’s defined from line# 69 to 133 (i.e. EOF)