在下面的代码中,我试图打印出数组的第一个值(名称),但它不起作用,如我所料:我只想打印数组中的第一个值(名称)
function Person (name, age) {
this.name = name;
this.age = age;
}// Our Person constructor
// Now we can make an array of people
var family = new Array();
family[0] = new Person("alice", 40);
family[1] = new Person("bob", 42);
family[2] = new Person("michelle", 8);
family[3] = new Person("timmy", 6);
// loop through our new array
for(i = 0; i <= family.Length; i++) {
console.log(family[i].this.name);
}
'Length'不应该大写。 – Turnip
循环应该是'我
deceze
您应该使用'family.push(...)'将元素添加到数组中,而不是手动跟踪索引。 – deceze