Underscore.js _.create() Function

Last Updated : 25 Nov, 2021

Underscore.js is a JavaScript library that provides a lot of useful functions that helps in the programming in a big way like the map, filter, invoke etc even without using any built-in objects.

The _.create() function is an inbuilt function in Underscore.js library of JavaScript which is used to create a new object with the stated prototype and props, as its own property which is attached optionally.

Syntax:

_.create(prototype, props)

Parameters: This function accept two parameters as mentioned above and described below:

prototype: It is the prototype to be used.
props: It is the property of the prototype used which is attached optionally.

Return Value: This method returns a new object.

Example 1:

JavaScript

<!DOCTYPE html>
<html>

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

<body>
    <script>
        var author_article = [
            { author: 'Nidhi1352', articles: 792 }, 
            { author: 'Nisha95', articles: 590 }, 
            { author: 'Rohit01', articles: 450 }];

        // Calling create method with its parameter
        var obj = _.create(author_article.prototype, 
                    { author: "Rahul096" });
        console.log(obj);
    </script>
</body>

</html>

Output:

{"author":"Rahul096"}

Example 2:

JavaScript

<!DOCTYPE html>
<html>

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

<body>
    <script>
        var array = [3, 4, 6, 8, 9]

        // Calling create method with its parameter
        var new_obj = _.create(array.prototype, [10]);
        console.log(new_obj);
    </script>
</body>

</html>