JavaScript: Takes a variadic function and returns a closure that accepts an array of arguments to map to the inputs of the function
JavaScript fundamental (ES6 Syntax) exercises, practice and solution: Exercise-138 with Solution
Write a JavaScript program that takes a variadic function and returns a closure that accepts an array of arguments to map to the inputs of the function.
Note: Use closures and the spread operator (...) to map the array of arguments to the inputs of the function.
- Use a closure and the spread operator (...) to map the array of arguments to the inputs of the function.
Sample Solution:
JavaScript Code:
//#Source https://bit.ly/2neWfJ2
// Define the 'spreadOver' function.
const spreadOver = fn => argsArr => fn(...argsArr);
// Create a new function 'arrayMax' that spreads its arguments and passes them to 'Math.max'.
const arrayMax = spreadOver(Math.max);
// Test the 'arrayMax' function with an array of numbers.
console.log(arrayMax([1, 2, 3])); // Output: 3
Output:
3
Visual Presentation:
Flowchart:
Live Demo:
See the Pen javascript-basic-exercise-138-1 by w3resource (@w3resource) on CodePen.
Improve this sample solution and post your code through Disqus
Previous: Write a JavaScript program to perform stable sorting of an array, preserving the initial indexes of items when their values are the same. Do not mutate the original array, but returns a new array instead.
Next: Write a JavaScript program to split a multiline string into an array of lines.
What is the difficulty level of this exercise?
Test your Programming skills with w3resource's quiz.
It will be nice if you may share this link in any developer community or anywhere else, from where other developers may find this content. Thanks.
https://w3resource.com/javascript-exercises/fundamental/javascript-fundamental-exercise-138.php
- Weekly Trends and Language Statistics
- Weekly Trends and Language Statistics