Lodash _.after() Method

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The Lodash _.after() method is opposite of Lodash _.before() method. This method is used to creates a function that invokes func once it’s called n or more times.

Syntax:

_.after(n, func)

Parameters: This method accepts two parameters as mentioned above and described below:

n: This parameter holds the number n that defines number of calls before func is invoked.
func: This parameter holds the function which will invoked.

Return Value: This method returns the new restricted function.

Below example illustrate the Lodash _.after() method in JavaScript.

Example 1: In this example we try to invoke the function 3 times but it will in invoke 3rd times only.

// Requiring the lodash library   
const _ = require("lodash");  
  
// Applying _.after() method 
var gfg = _.after(3, function () { 
  console.log('Saved'); 
}); 
  
gfg(); // Print nothing 
gfg(); // Print nothing 
gfg(); // Print Saved

Output:

Saved

Example 2: In this example we try to invoke the function 2 times but it will in invoke 2nd times only.

// Requiring the lodash library   
const _ = require("lodash");  
  
// Applying _.after() method 
var gfg = _.after(2, function () { 
  console.log('Successful'); 
}); 
  
gfg(); // Print nothing 
gfg(); // Print Successful

Output:

Successful

Reference: https://docs-lodash.com/v4/after/

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