The Lodash _.dictionary() method returns a function that will attempt to look up a field that it is given.
Syntax:
funct = _.dictionary( object );
Parameters: This method accepts single parameter as mentioned above and described below:
- object: This method takes the object from which the field is to be searched.
Return Value: This method returns a function that will attempt to look up a field that is given.
Note: This will not work in normal JavaScript because it requires the lodash.js contrib library to be installed. Lodash.js contrib library can be installed using npm install lodash-contrib.
Example 1:
Javascript
// Defining underscore lodash variable var _ = require('lodash-contrib');   var ob = { gfg : "neveropen" } var gfgg = _.dictionary( ob );     console.log(gfgg("gfg")); |
Output:
neveropen
Example 2:
Javascript
// Defining underscore lodash variable var _ = require('lodash-contrib');   var ob = { gfg : "neveropen" } var gfgg = _.dictionary( ob );     console.log(gfgg("geek")); |
Output:
undefined
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