4.17.11
3.10.1
2.4.2
1.3.1
_.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
argument
object
[iteratee=_.identity]
type
Object
Function
description
The object to iterate over.
The function invoked per iteration.
Returns
(array)
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).
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).