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Cleaner for JavaScript objects - removes objects that have any of the following value : [], null, undefined,''. Checks objects recursively.
checks if foo is not defined, i.e. undefined, null, an empty string, array, object or NaN
This package will check for empty / null / undefined value
The package provides methods to check whether a JSON object or a JSON array is empty or not. - The package considers an **object** empty when it is `null`, `undefined` or has no keys. - The package considers an **array** empty when it is `null`, `undefine
Check if the value is undefined, null, empty string, NaN and Infinity.
Throw if a document cannot be found
Nullish checker
JavaScript module for null check on JSON object
- null-check
- check
- json
- object
- null
- find-null
- find-value
- null check
- null checker
- null-checker
- null-check-optimizer
- null-check-optimizer1
- null check optimizer
An extended checkbox plugin for bootstrap with three states and additional styles.
Preload images when given element show in viewport.
to check null or empty
Module to know if a object isNotEmpty, isNull, isUndefined...
Tests a value’s type against a string like 'positive integer' or 'non-empty map'.