I think I got it, see if it fits you…
$w.onReady(() => {
typeAndErase($w("#typewriterPage")) //Just the function call
})
function typeAndErase(textElement) {
let interval
let timeInterval = 100
let typeStrings = ["Bruno Prado", "Website Designer", "Wix Coder"]
let wordIdx = 0
let typeIdx = 0
let displayStr = ""
let endingString = "|"
textElement.text = ""
interval = setInterval(() => {
displayStr = displayStr + typeStrings[wordIdx][typeIdx]
typeIdx++
textElement.text = displayStr + endingString
if (typeIdx === typeStrings[wordIdx].length) {
wordIdx++
displayStr = ""
typeIdx = 0
wordIdx === typeStrings.length && clearInterval(interval)
}
}, timeInterval)
}