Lodash forEach method
语法：
_.forEach(collection, [iteratee=_.identity])
Iterates over elements of collection and invokes iteratee for each element. The iteratee is invoked with three arguments: (value, index|key, collection). Iteratee functions may exit iteration early by explicitly returning false.
参数：
collection (Array|Object) − The collection to iterate over.
[iteratee=_.identity] (Function) − The function invoked per iteration.
输出：
(*) − Returns collection.
例子：
var _ = require('lodash');
var list = [1 , 2, 3, 4, 5];
_.forEach(list, function(value) {
console.log(value);
});
Save the above program in
tester.js. Run the following command to execute this program.
命令：
输出：
