Checks if value is classified as a number primitive, is an integer and is less than 0.
value
number
The value to check.
Returns true if value is a negative integer, else false.
true
false
isNegativeInteger(-123)// => trueisNegativeInteger(123)// => falseisNegativeInteger(-123.456)// => falseisNegativeInteger('123')// => false Copy
isNegativeInteger(-123)// => trueisNegativeInteger(123)// => falseisNegativeInteger(-123.456)// => falseisNegativeInteger('123')// => false
Checks if
valueis classified as anumberprimitive, is an integer and is less than 0.