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  • License MIT

Shim for Math.sign.

Package Exports

  • math-sign-x

This package does not declare an exports field, so the exports above have been automatically detected and optimized by JSPM instead. If any package subpath is missing, it is recommended to post an issue to the original package (math-sign-x) to support the "exports" field. If that is not possible, create a JSPM override to customize the exports field for this package.

Readme

Travis status Dependency status devDependency status npm version

math-sign-x

Shim for Math.sign.

See: 20.2.2.29 Math.sign(x)
Version: 3.0.0
Author: Xotic750 Xotic750@gmail.com
License: MIT
Copyright: Xotic750

math-sign-x.sign

Reference to sign2018.

Kind: static property of math-sign-x

math-sign-x.sign2016 ⇒ number

This method returns the sign of a number, indicating whether the number is positive, negative or zero. (ES2016)

Kind: static property of math-sign-x
Returns: number - A number representing the sign of the given argument. If the argument is a positive number, negative number, positive zero or negative zero, the function will return 1, -1, 0 or -0 respectively. Otherwise, NaN is returned.

Param Type Description
x * A number.

Example 

var mathSign = require('math-sign-x').sign2016;

mathSign(3);     //  1
mathSign(-3);    // -1
mathSign('-3');  // -1
mathSign(0);     //  0
mathSign(-0);    // -0
mathSign(NaN);   // NaN
mathSign('foo'); // NaN
mathSign();      // NaN

math-sign-x.sign2018 ⇒ number

This method returns the sign of a number, indicating whether the number is positive, negative or zero. (ES2018)

Kind: static property of math-sign-x
Returns: number - A number representing the sign of the given argument. If the argument is a positive number, negative number, positive zero or negative zero, the function will return 1, -1, 0 or -0 respectively. Otherwise, NaN is returned.

Param Type Description
x * A number.

Example 

var mathSign = require('math-sign-x').sign2018;

mathSign(3);     //  1
mathSign(-3);    // -1
mathSign('-3');  // -1
mathSign(0);     //  0
mathSign(-0);    // -0
mathSign(NaN);   // NaN
mathSign('foo'); // NaN
mathSign();      // NaN