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Underscore.js | _.pick() Function

  • Last Updated : 27 Apr, 2020

The _.pick() function is used to return a copy of the object that filtered using the given key. This function accepts a predicate indicating which keys are picked from the object.

Syntax:

_.pick(object, *keys)

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

  • object: This parameter holds the value of an object.
  • keys: It is an optional parameter. It contains the key name that value need to be picked.

Return Value: It returns a copy of the object that filtered using the given key.

Example 1:




<!DOCTYPE html>
<html>
  
<head>
    <script type="text/javascript" src=
    </script>
</head>
  
<body>
    <script type="text/javascript">
  
        var info = {
            Company: 'GeeksforGeeks',
            Address: 'Noida',
            Contact: '+91 9876543210'
        };
  
        console.log(_.pick(info, 'Company', 'Address'));
    </script>
</body>
  
</html>

Output:

Example 2:




<!DOCTYPE html>
<html>
  
<head>
    <script type="text/javascript" src=
    </script>
</head>
  
<body>
    <script type="text/javascript">
  
        var info = {
            key1: 10,
            key2: 20,
            key3: 30,
            key4: 40,
            key5: 50
        };
  
        console.log(_.pick(info, function (value, key, info) {
            return value == 10 || value == 50;
        }));
    </script>
</body>
  
</html>

Output:


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