Lodash _.bound() Method

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The Lodash _.bound() method returns function which is a property of an object by name, bound to the object made.

Syntax:

_.bound( obj, function);

Parameters: This method accepts two parameters as listed above and discussed below.

obj: the object in which the function is defined.
function: a function defined containing the returning logic.

Return Value: This method returns a function.

Note: To execute the below examples, you have to install the lodash-contrib library by using this command prompt and execute the following command.

npm install lodash-contrib

Below examples illustrate the Lodash _.bound() method in JavaScript:

Example 1:

Javascript

// Defining lodash contrib variable 
var _ = require('lodash-contrib');  
  
var gfgObject = { 
    name: "zambiatek", 
    detail: "Computer science portal for zambiatek", 
    geekFunc: function() { 
        return this.name + ": " + this.detail; 
    } 
}; 
  
var gfgFunction = _.bound(gfgObject, "geekFunc"); 
console.log(gfgFunction());

Output:

zambiatek: Computer science portal for zambiatek

Example 2:

Javascript

// Defining lodash contrib variable 
var _ = require('lodash-contrib');  
  
var gfgObject = { 
    one : 1, 
    two : 2, 
    geekFunc: function() { 
        return this.one + " and " + this.two; 
    } 
}; 
  
var gfgFunction = _.bound(gfgObject, "geekFunc"); 
console.log(gfgFunction());

Output:

1 and 2

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