How to convert array of words to make a sentence?

Question

I feel uncomfortable asking, but how do I convert an array of words to make a sentence ?

I keep finding the other way round.

Something like:

Answer 1

Just join the elements of the array into a string using a space as a separator:

var sentence = a.join(" ");

https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/join