http://sinhviencntt.net/hoc-javascript-bai-14-cac-vong-lap-for-trong-javascript/
http://sinhviencntt.net/hoc-javascript-bai-14-cac-vong-lap-for-trong-javascript/
by sinhviencntt
HTML
<!DOCTYPE html>
<html>
<body>
<h1>Vòng lặp for...in sinhviencntt.net</h1>
<p id="demo"></p>
<script>
var txt = "";
var xe = {tenXe:"HonDa", nuocSanXuat:"Nhật", namSanXuat:2017};
for (var x in xe) {
txt += x + ": " + xe[x] + "</br>";
}
document.getElementById("demo").innerHTML = txt;
</script>
</body>
</html>