Checks if test is empty.
test
isEmpty([]); //=> true isEmpty(null); //=> true isEmpty({}); //=> true isEmpty(''); //=> true isEmpty(new Set()); //=> true isEmpty('test'); //=> false isEmpty({ a: 5 }); //=> false isEmpty([1]); //=> false isEmpty(new Set([1])); //=> false
The value to check.
Returns true if test is empty, else false.
true
false
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Checks if
test
is empty.