wordsToUppercase

function myFunc(input) {
    let output = input.replace(/[^A-Za-z0-9\s]+/gm, ' ')
    let result = []
    for (let w of output.split(' ')){
        if (w === '' || w === ' '){continue}
        result.push(w.toUpperCase())
    }
    console.log(result.join(', '))

}



myFunc('Functions in JS can be nested, i.e. hold other functions')