Lodash sortedIndexOf method
语法：
_.sortedIndexOf(array, value)
This method is like _.indexOf except that it performs a binary search on a sorted array.
参数
array (Array) − The array to inspect.
value (*) − The value to search for.
输出：
(number) − Returns the index of the matched value, else-1.
实例：
var _ = require('lodash');
var list = [1, 2, 3, 4, 5, 6];
var result = _.sortedIndexOf(list, 5);
console.log(result);
Save the above program in
tester.js. Run the following command to execute this program.
命令：
输出：
