JavaScript Number method: isSafeInteger()
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The isSafeInteger() method (of the JavaScript
Number
object) returns true if value is of type Number and is a safe integer,
otherwise false. A safe integer is one that can be exactly represented as an
IEEE-754 double precision number, i.e. is an integer in the range -(253
- 1) to (253 - 1).
It
has the following syntax with the following parameters:
Number.isSafeInteger(x)
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Parameter
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Required / Optional
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Description
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x
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Required
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Input parameter
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