
JavaScript 使用索引修改数组中的数据
// 举例
var ourArray = [1,2,3];
ourArray[1] = 3; // ourArray now equals [1,3,3].
// Setup
var myArray = [1,2,3];
// Only change code below this line.
myArray[0]=3;
// 举例
var ourArray = [1,2,3];
ourArray[1] = 3; // ourArray now equals [1,3,3].
// Setup
var myArray = [1,2,3];
// Only change code below this line.
myArray[0]=3;
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