check if a variable is undefined or NULL

check if a variable is undefined or NULL

linked_class

code

linked_uid

SYTk7

views

3

week_num

35

month_num

8

year_num

24

id: 197614
uid: LyXVM
insdate: 2024-08-26 18:34:30
title: check if a variable is undefined or NULL
additional:
category:
linked_class: code
linked_uid: SYTk7
views: 3
week_num: 35
month_num: 8
year_num: 24

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This is my test area for webdev. I keep a collection of code here, mostly for my reference. Also if i find a good link, i usually add it here and then forget about it. more...

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Random CSS Property

attr()

Note: The attr() function can be used with any CSS property, but support for properties other than content is experimental, and support for the type-or-unit parameter is sparse.
attr() css reference