Underscore.js _.propertyOf() Function

0 1 1 minute read

The _.propertyOf() function is the inverse of _.property() function. This function takes an object as an argument and returns a function that will return the value of a provided property.

Syntax:

_.propertyOf( object )

Parameters: This function accepts one parameter as mentioned above and described below:

object: This parameter holds the value of object that function need to be return.

Return Value: It returns the property of an object.

Example 1:

<!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 info = { 
            Company: 'zambiatek', 
            Address: 'Noida', 
            Contact: '+91 9876543210' 
        }; 
  
        console.log(_.propertyOf(info)('Company')); 
    </script> 
</body> 
  
</html> 

Output:

Example 2:

<!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 info = { 
            Company: { name: 'zambiatek' }, 
            Contact: { Address:  
                { AddressInfo: 'Noida', ContNo: '+91 9876543210' } } 
        }; 
  
        console.log(_.propertyOf(info)('Company', 'name')); 
        console.log(_.propertyOf(info)('Contact', 'Address', 'AddressInfo')); 
    </script> 
</body> 
  
</html> 

Output:

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