Where to put the .join in this function in order to rejoin the separated strings of an array

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Problem to solve is to capitlize the first letter of each word in a string using '.split' '.map' and 'join'. Currently implemented split and map to get the word capitlised and rejoined it, but confused as to where I need to put the .join.

Expected: "The Lord Of The Rings"
Received: ["The", "Lord", "Of", "The", "Rings"]


function titleCase(string) {
  return string.split(' ').map(word => word.charAt(0).toUpperCase() + word.substr(1))
  

}

function arrays javascript
1 Answers

First: split the string

Second: Capitalize word

Third: Join words

return string.split(' ').map(word => word.charAt(0).toUpperCase() + word.substr(1)).join(' ');
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