乘法 (*)

乘法运算符 (*) 计算操作数的乘积。

语法

Operator: x * y

例子

使用数字相乘

 2 * 2      // 4
-2 * 2     // -4

使用 Infinity 相乘

Infinity * 0         // NaN
Infinity * Infinity  // Infinity

使用非数字相乘

'foo' * 2 // NaN

规范

Specification
ECMAScript (ECMA-262)
Multiplication operator

浏览器兼容性

Update compatibility data on GitHub
DesktopMobileServer
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidFirefox for AndroidOpera for AndroidSafari on iOSSamsung InternetNode.js
Multiplication (*)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

参见