Search⌘ K
Home
Courses
The JavaScript Interview Handbook: 100+ Interview Questions

Challenge: Make a Sentence

This challenge will test your skills in implementing partial functions in JavaScript.

We'll cover the following...

Problem statement #

Study the code given below:

Javascript (babel-node)
const sentence = (conjunction, ...otherWords) => {  
    const commasJoiningWords = otherWords.slice(0,-1).join(", ");  
    const lastWord = otherWords.pop();  
    return `${commasJoiningWords} ${conjunction} ${lastWord}`;
}
console.log(sentence("and","mango","apple","peach"))
console.log(sentence("or","bike","car","train"))

Observe the output and then try to understand what the sentence function is doing. Currently, on line 6 we are calling our function as follows:

sentence("and","mango","apple","peach")

Your task is to ...