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Underscore.js _.create() Function

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  • 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=
    </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=
    </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>


Output:

{"0":10}

Reference: https://underscorejs.org/#create


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