for in

📅 2026/7/28 18:32:40 👁️ 阅读次数 📝 编程学习
for in

var x
var mycars = new Array()
mycars[0] = “Saab”
mycars[1] = “Volvo”
mycars[2] = “BMW”

for (x in mycars)
{
document.write(mycars[x] + “
”)
}