_.forIn

_.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.

Since

0.3.0

Arguments

  1. object (Object): The object to iterate over.
  2. [iteratee=_.identity] (Function): The function invoked per iteration.

Returns

(Object): Returns object.

Example

function Foo() {
  this.a = 1;
  this.b = 2;
}
 
Foo.prototype.c = 3;
 
_.forIn(new Foo, function(value, key) {
  console.log(key);
});
// => Logs 'a', 'b', then 'c' (iteration order is not guaranteed).
doc_Lodash
2016-11-27 16:37:14
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