Underscore.JS indexOf 方法

_.indexOf(array, value, [isSorted])

var _ = require('underscore');

var list = [1, 2, 3, 4, 5, 6]
//Example: get index of 3
result = _.indexOf(list, 3);
console.log(result)

//Example: get index of 3 using sorted
result = _.indexOf(list, 4, true );
console.log(result)

>node tester.js

2
3