DekGenius.com
Home
(current)
Dictionary
BOOKS
LYRICS
CHORD
SCRIPT & CODE EXAMPLE
Karaoke language
Search
Go
SCRIPT & CODE EXAMPLE
CODE EXAMPLE FOR JAVASCRIPT
javascript check if not undefined
if (typeof myVar !== "undefined") { console.log("myVar is DEFINED"); }
PREVIOUS
NEXT
Tagged:
#javascript
#check
#undefined
ADD COMMENT
Topic
COMMENT
Name
4+3 =
Submit