循环

for in循环

循环对象的属性
var myObj = { "name":"hy", "hello":word };
for (x in myObj) {
document.getElementById("demo").innerHTML += x + "
";
}
for-in 循环对象的属性时，使用中括号[]来访问属性的值：
for (y in myObj) {
document.getElementById("demo").innerHTML += myObj[y] + "
";
}