1、js for循环 遍历对象属性
var person = {fname:"John",lname:"Doe",age:25};
for (x in person){
console.log(x + "=" + person[x]);
}
控制台输出结果:
fname=John
lname=Doe
age=25
2、js for循环 遍历数组
var mycars = new Array("Saab","Volvo","BMW");
for (x in mycars){
console.log(x + "=" + mycars[x])
}
控制台输出结果:
0=Saab
1=Volvo
2=BMW