How can I determine if a variable is 'undefined' or 'null'?

Channel:
Peter Schneider
Subscribers:
4,110
Published on ● Video Link: https://www.youtube.com/watch?v=eFigzBGNPNQ


Duration: 5:16
3 views
0

How can I determine if a variable is 'undefined' or 'null'?
I hope you found a solution that worked for you :)
The Content (except music & images) is licensed under (https://meta.stackexchange.com/help/licensing)CC BY-SA |
Thanks to all those great people for their contributions!

(stackoverflow.com/users/281488/sadmicrowave)sadmicrowave |
(stackoverflow.com/users/139459/sarfraz)Sarfraz |
(stackoverflow.com/users/1029146/temporary-user-name)temporary_user_name |
(stackoverflow.com/users/1735723/jkindwall)jkindwall |
(stackoverflow.com/users)stackoverflow.com-Community |
(stackoverflow.com/users/2975952/thamaraiselvam)Thamaraiselvam |
A special thanks goes out to the (https://stackoverflow.com/questions/2647867/how-can-i-determine-if-a-variable-is-undefined-or-null)Stackexchange community |

I wish you all a wonderful day! Stay safe :)

undefined javascript jquery variables null



Other Videos By Peter Schneider


2022-11-14MySQL 8 replication: is it possible to specify master side a specific port for replication, and o...
2022-11-14How can I resume a stopped job in Linux?
2022-11-14Test if a port on a remote system is reachable (without telnet)
2022-11-14How do I determine if an object has an attribute in Python?
2022-11-14How to insert an item into an array at a specific index (JavaScript)
2022-11-14How can I validate an email address in JavaScript?
2022-11-14Clear cache for specific domain name in chrome
2022-11-14Using global variables in a function
2022-11-14What is the purpose of .PHONY in a Makefile?
2022-11-14How to get execution time of a script effectively?
2022-11-14How can I determine if a variable is 'undefined' or 'null'?
2022-11-14How to enable communication between a device on guest network to a device on parent (main) network?
2022-11-14How do I center text horizontally and vertically in a TextView?
2022-11-14Selecting columns in Visual Studio Code
2022-11-14How do I iterate over the words of a string?
2022-11-14ffmpeg 192kHz udp raw audio streaming
2022-11-14How to find the icon file linked to an executable?
2022-11-14Two roots are not visible in the graph [closed]
2022-11-14Problems with I2C communication
2022-11-14RxJS Buffer or Buffer Size Limit
2022-11-14How to choose a GeoJSON file and load it into OpenLayers


Tags:
undefined
javascript
jquery
variables
null