JavaScript: Create a function that invokes fn with partials prepended to the arguments it receives

JavaScript fundamental (ES6 Syntax): Exercise-170 with Solution

Write a JavaScript program to create a function that invokes fn with partials prepended to the arguments it receives.

• Use the spread operator (...) to prepend partials to the list of arguments of fn.

Sample Solution:

JavaScript Code:

//#Source https://bit.ly/2neWfJ2 
const partial = (fn, ...partials) => (...args) => fn(...partials, ...args);
const greet = (greeting, name) => greeting + ' ' + name + '!';
const greetHello = partial(greet, 'Hello');
console.log(greetHello('John'));

Sample Output:

Hello John!

Flowchart:

Live Demo:

See the Pen javascript-basic-exercise-170-1 by w3resource (@w3resource) on CodePen.

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