lodash difference 函数demo

difference 函数，比较前后两个数组，仅仅保存前面数组在后面数组中不存在的数据

如下demo 输出1，5

var _ = require('lodash');console.log(_.difference([2, 1,5,4], [2, 3,4]));

参考文档
https://lodash.com/docs/4.17.4#difference