Subtraction (-)

The subtraction operator (-) subtracts the two operands, producing their difference.

Syntax

Operator: x - y

Examples

Subtraction with numbers

5 - 3     // 2
3 - 5     // -2

Subtraction with non-numbers

'foo' - 3 // NaN

Specifications

Specification
ECMAScript (ECMA-262)
The definition of 'Subtraction operator' in that specification.

Browser compatibility

Update compatibility data on GitHub
DesktopMobileServer
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidFirefox for AndroidOpera for AndroidSafari on iOSSamsung InternetNode.js
Subtraction (-)Chrome Full support 1Edge Full support 12Firefox Full support 1IE Full support 3Opera Full support 3Safari Full support 1WebView Android Full support 1Chrome Android Full support 18Firefox Android Full support 4Opera Android Full support 10.1Safari iOS Full support 1Samsung Internet Android Full support 1.0nodejs Full support 0.1.100

Legend

Full support  
Full support

See also