Lodash forIn method
语法
_.forIn(object, [iteratee=_.identity])
Iterates over own and inherited enumerable string keyed properties of an object and invokes iteratee for each property. The iteratee is invoked with three arguments: (value, key, object). Iteratee functions may exit iteration early by explicitly returning false.
参数
object (Object) − The object to iterate over.
[iteratee=_.identity] (Function) − The function invoked per iteration.
输出
(object) − Returns object.
实例
var _ = require('lodash');
function Foo() {
this.a = 1;
this.b = 2;
}
Foo.prototype.c = 3;
_.forIn(new Foo, function(value, key) {
console.log(key);
});
Save the above program in
tester.js. Run the following command to execute this program.
Command
输出
