Underscore.js _.mul() 方法
_.mul () 方法返回所有给定参数的乘积。
句法:
_.mul( val1, val2, ..., valn );
参数:此方法需要 n 个值对其进行操作。
返回值:此方法返回所有给定参数的乘积。
注意:这在普通 JavaScript 中不起作用,因为它需要安装 underscore.js contrib 库。
underscore.js contrib 库可以使用npm install underscore-contrib –save 安装。
示例 1:
// Defining underscore contrib variable
var _ = require('underscore-contrib');
var mulVal = _.mul( 8, 22, 10 );
console.log("The Product of given values is :", mulVal);
输出:
The Product of given values is : 1760
示例 2:
// Defining underscore contrib variable
var _ = require('underscore-contrib');
var mulVal = _.mul( 8 );
console.log("The Product of given values is :", mulVal);
输出:
The Product of given values is : 8
示例 3:
// Defining underscore contrib variable
var _ = require('underscore-contrib');
var mulVal = _.mul( 0.8, 0.2, 0.9 );
console.log("The Product of given values is :", mulVal);
输出:
The Product of given values is : 0.14400000000000004