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Underscore.js _.accessor() Method

  • Last Updated : 14 Aug, 2020

The _.accessor() method returns a function that will attempt to look up a given field in the given object.

Syntax:

funct = _.accessor( field_name );

Parameters: 

  • field_name: This method takes the field to be searched in the given object.

Return Value: This method returns a function that will attempt to look up a given field in the given object.

Note: This will not work in normal JavaScript because it requires the underscore.js contrib library to be installed.



underscore.js contrib library can be installed using npm install underscore-contrib –save.

Example 1:




// Defining underscore contrib variable
var _ = require('underscore-contrib'); 
  
var ob = { gfg : "GeeksforGeeks" }
var gfgg = _.accessor('gfg');
  
console.log(gfgg(ob));

Output:

GeeksforGeeks

Example 2: If this function does not find any field then it will return undefined.




// Defining underscore contrib variable
var _ = require('underscore-contrib'); 
  
var ob = { gfg : "GeeksforGeeks" }
var gfgg = _.accessor('geeks');
  
console.log(gfgg(ob));

Output:

undefined
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