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