JavaScript 使用索引查找数组中的数据
// 举例
var ourArray = [1,2,3];
var ourData = ourArray[0]; // equals 1
// Setup
var myArray = [1,2,3];
// Only change code below this line.
var myData = myArray[0];
// 举例
var ourArray = [1,2,3];
var ourData = ourArray[0]; // equals 1
// Setup
var myArray = [1,2,3];
// Only change code below this line.
var myData = myArray[0];