Variable: isInteger

const isInteger: (number) => boolean;

Checks if a value is an integer. 检查值是否为整数。

Returns true if the value passed is an integer, false otherwise.

Parameters

Parameter	Type	Description
number	unknown	A numeric value.

Returns

boolean

Param

The value to check / 要检查的值

Returns

True if the value is an integer / 如果值是整数则返回true

Example

isInteger(0) // => true
isInteger(5) // => true
isInteger(-10) // => true
isInteger(42) // => true
isInteger(Number.MAX_SAFE_INTEGER) // => true
isInteger(2.5) // => false
isInteger(3.14) // => false
isInteger(NaN) // => false
isInteger(Infinity) // => false
isInteger(-Infinity) // => false
isInteger('42') // => false
isInteger(null) // => false
isInteger(undefined) // => false

Since

1.0.0