verifica l'esempio.
codice:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<button>doc1</button>
<button>doc2</button>
<div id="result"></div>
<body>
<script>
// creo l'array dei button
const buttons = document.getElementsByTagName("button")
const result = document.getElementById('result')
// programmo i buttons
for (let i = 0; i < buttons.length; i++) { buttons[i].onclick = carica; }
function carica(e) {
const httpRequest = new XMLHttpRequest()
httpRequest.responseType = 'text'
httpRequest.open("GET", e.target.textContent + ".html", true)
httpRequest.send()
httpRequest.onreadystatechange = function () {
if (this.readyState == 4 && this.status == 200) {
const DOM = new DOMParser()
const html = DOM.parseFromString(httpRequest.response, "text/html")
result.textContent = html.getElementById('qui').textContent
}
}
}
</script>
</body>
</html>