not-defined
Variable checker
A utility function that checks if a variable is undefined or not defined in the same way as null, NaN, empty strings, arrays, and objects.
checks if foo is not defined, i.e. undefined, null, an empty string, array, object or NaN
5 stars
3 watching
3 forks
Language: JavaScript
last commit: 6 months ago
Linked from 1 awesome list
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