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Underscore.js | _.keys() Function
  • Last Updated : 27 Apr, 2020

The _.keys() function is used to return the list of all keys of the given object.

Syntax:

_.keys( object )

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

  • object: It contains the object elements.

Return Value: This function returns the list of all key of the given object.

Below examples illustrate the _.Keys() function in Underscore.js
Example 1:






<!DOCTYPE html>
<html>
  
<head>
    <script type="text/javascript" src=
    </script>
</head>
  
<body>
    <script type="text/javascript">
  
        var obj = {
            Company: "GeeksforGeeks",
            Address: "Noida",
            Contact: "+91 9876543210",
            Email: "abc@gfg.com"
        }
        console.log(_.keys(obj));
    </script>
</body>
  
</html>

Output:

Example 2:




<!DOCTYPE html>
<html>
  
<head>
    <script type="text/javascript" src=
    </script>
</head>
  
<body>
    <script type="text/javascript">
  
        var key = _.keys({
            Name: "Ashok",
            Address: "Noida",
            Mobile: "+91 9876543210",
            Email: "geeks@gmail.com"
        });
  
        console.log(key);
    </script>
</body>
  
</html>

Output:

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