Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

Uncaught TypeError: Cannot read property 'tagName' of null #1154

Closed
1 task done
jerryc127 opened this issue Apr 30, 2020 · 3 comments · Fixed by #1308
Closed
1 task done

Uncaught TypeError: Cannot read property 'tagName' of null #1154

jerryc127 opened this issue Apr 30, 2020 · 3 comments · Fixed by #1308
Labels
wait for information something is not clear, waiting for the author of the issue/pr

Comments

@jerryc127
Copy link

jerryc127 commented Apr 30, 2020 •
edited
Loading

Bug Report

Steps to reproduce

add the darkmode button

What is current behaviour

What is the expected behaviour

Other relevant information

  • Bug does still occur when all/other plugins are disabled?

  • Your OS:

  • Node.js version:

  • npm/yarn version:

  • Browser version:

  • Docsify version:

  • Docsify plugins:

Please create a reproducible sandbox

Edit 307qqv236

Mention the docsify version in which this bug was not present (if any)

https://docs.jerryc.me/src/bottom.js
I create the dark mode button,
it work fine.
but i check the console, it error show Uncaught TypeError: Cannot read property 'tagName' of null ?
what problem ? but the function is work fine.
image
@anikethsaha
Copy link
Member

can you mention how you added the dark mode.

also, please submit a reproducible sandbox

@anikethsaha anikethsaha added the wait for information something is not clear, waiting for the author of the issue/pr label May 25, 2020
@jerryc127
Copy link
Author

jerryc127 commented May 27, 2020 •
edited
Loading

https://github.com/jerryc127/hexo-theme-butterfly-docs/blob/master/src/bottom.js
https://github.com/jerryc127/hexo-theme-butterfly-docs/blob/master/src/head.js

@stale
Copy link

stale bot commented Jul 26, 2020

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.

@stale stale bot added the wontfix label Jul 26, 2020
@sy-records sy-records reopened this Jul 26, 2020
@stale stale bot removed the wontfix label Jul 26, 2020
@sy-records sy-records mentioned this issue Jul 26, 2020
Merged
19 tasks
@woshiguabi woshiguabi mentioned this issue Oct 21, 2021
Merged
9 tasks
sy-records added a commit that referenced this issue Oct 22, 2021
@woshiguabi @sy-records
fix: Cannot read property 'tagName' of null (#1655)
c3cdadc 
Have a look at this issue #1154 .
https://codesandbox.io/s/loving-matsumoto-hp985?file=/index.html
Open devtools and click the *blank space* of svg(not path) will reproduce this issue.

`parentNode` may be `null`.
https://github.com/docsifyjs/docsify/blob/develop/src/core/router/history/html5.js#L25-L27

However, hash router has fixed this issue😜.
https://github.com/docsifyjs/docsify/blob/develop/src/core/router/history/hash.js#L47-L49

Co-authored-by: 沈唁 <52o@qq52o.cn>
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Assignees
No one assigned
Labels
wait for information something is not clear, waiting for the author of the issue/pr
Projects
None yet
Milestone
No milestone
Development

Successfully merging a pull request may close this issue.

fix: the uncaught typeerror when el is null sy-records/docsify
3 participants
@jerryc127 @anikethsaha @sy-records