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Lodash _.after() Method

Last Updated : 03 Sep, 2024
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Lodash _.after() method is opposite of Lodash _.before() method. This method creates a function that invokes function once it’s called n or more times.

Syntax:

_.after(n, func);

Parameters:

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

Return Value:

  • This method returns the new restricted function.

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

javascript
// Requiring the lodash library  
const _ = require("lodash");

// Applying _.after() method
let 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.

javascript
// Requiring the lodash library  
const _ = require("lodash");

// Applying _.after() method
let gfg = _.after(2, function () {
    console.log('Successful');
});

gfg(); // Print nothing
gfg(); // Print Successful

Output:

Successful

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