JavaScript: Create a function that invokes the provided function with its arguments arranged according to the specified indexes

JavaScript: Exercise-158 with Solution

Write a JavaScript program to create a function that invokes the provided function with its arguments arranged according to the specified indexes.

• Use Array.prototype.map() to reorder arguments based on indexes.
• Use the spread operator (...) to pass the transformed arguments to fn.

Sample Solution:

JavaScript Code:

//#Source https://bit.ly/2neWfJ2 
const rearg = (fn, indexes) => (...args) => fn(...indexes.map(i => args[i]));
var rearged = rearg(
  function(a, b, c) {
    return [a, b, c];
  },
  [2, 0, 1]
);
console.log(rearged('b', 'c', 'a'));

Sample Output:

["a","b","c"]

Pictorial Presentation:

Flowchart:

Live Demo:

See the Pen javascript-basic-exercise-158-1 by w3resource (@w3resource) on CodePen.

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