1、链接
npm underscore:https://www.npmjs.com/package/underscore
官网:https://underscorejs.org/
2、npm安装:npm install underscore
3、简单使用
var _ = require("underscore"); var array = _.map([1, 2, 3], (x) => x * x); console.log(array); // [ 1, 4, 9 ] var array2 = _.map(["A", "B", "C"], (x) => x.toLowerCase()); console.log(array2); //[ 'a', 'b', 'c' ] // template():声明模板数据 var fn = _.template("<h2>hello, I am <%= name %>!</h2>"); // template()函数的返回值类型为函数 var html = fn({name: 'hanmeimei'}); console.log(html); // <h2>hello, I am hanmeimei!</h2>