JavaScript for...in 循环

<script>
var txt = "";
var person = {fname:"Bill", lname:"Gates", age:62}; 
var x;
for (x in person) {
  txt += person[x] + " ";
}
document.getElementById("demo").innerHTML = txt;
</script>

输出结果:Bill Gates 62


版权声明:本文为RealRecall原创文章,遵循CC 4.0 BY-SA版权协议,转载请附上原文出处链接和本声明。