Underscore.js _.allKeys() Function

Last Updated : 25 Nov, 2021

The _.allKeys() function is used to return all keys of the object and inherited properties. Syntax:

_.allKeys( object )

Parameters: This function accept oa single parameter as mentioned above and described below:

object: It contains the object element that holds the elements of key and value pair.

Return Value: It returns all key of the object and inherited properties. Below examples illustrate the _.allKeys() function in Underscore.js: Example 1:

html

<!DOCTYPE html>
<html>

<head>
    <script type="text/javascript" src=
"https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.9.1/underscore-min.js">
    </script>
</head>

<body>
    <script type="text/javascript">

        var obj = {
            Company: "GeeksforGeeks",
            Address: "Noida",
            Contact: "+91 9876543210",
            Email: "[email protected]"
        }
        console.log(_.allKeys(obj));
    </script>
</body>

</html>

Output:

Example 2:

html

<!DOCTYPE html>
<html>

<head>
    <script type="text/javascript" src=
"https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.9.1/underscore-min.js">
    </script>
</head>

<body>
    <script type="text/javascript">

        function Geeks(name) {
            return this.name = name;
        }

        Geeks.prototype.GeeksforGeeks = true;

        console.log(_.allKeys(new Geeks("Company")));
    </script>
</body>

</html>

Output:

Underscore.js _.values() Function

ashokjaiswal

Improve

Article Tags :

Underscore.js _.allKeys() Function

Similar Reads

Underscore.js Collections Functions

Underscore.js Arrays Functions

Underscore.js Functions

Underscore.js Object Functions

Underscore.js Utility Functions

Underscore.js Questions

Thank You!

What kind of Experience do you want to share?