Lodash _.functionalize() Method
The Lodash _.functionalize() method takes a function (one which uses this) and pushes this into the argument list. The returned function uses its first argument as the receiver/context of the original function, and the rest of the arguments are used as the original’s entire argument list.
Syntax:
_.functionalize( function )
Parameters: This method accepts a single parameter as mentioned above and defined below:
- function: This method takes a function that uses this.
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 _.functionalize() method in JavaScript:
Example 1:
Javascript
var _ = require( 'lodash-contrib' );
function get(g) {
return this [g];
}
var geekFunc = _.functionalize(geta);
var geeks = {
GeeksforGeeks: "Computer Science Portal for Geeks"
};
console.log(geekFunc(geeks, "GeeksforGeeks" ))
|
Output:
Computer Science Portal for Geeks
Example 2:
Javascript
var _ = require( 'lodash-contrib' );
function get(g) {
return this [g];
}
var geekFunc = _.functionalize(get);
var geeks = {
GeeksforGeeks: 1000000
};
console.log(geekFunc(geeks, "GeeksforGeeks" ))
|
Output:
1000000
Last Updated :
18 Sep, 2020
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