我有一个要从其中删除项目的字符串索引数组。
考虑以下示例代码:
var arr = new Array();
arr[0] = "Zero";
arr[1] = "One";
arr[2] = "Two";
arr.splice(1, 1);
for (var index in arr)
document.writeln(arr[index] + " ");
//This will write: Zero Two
var arr = new Array();
arr["Zero"] = "Zero";
arr["One"] = "One";
arr["Two"] = "Two";
arr.splice("One", 1); //This does not work
arr.splice(1, 1); //Neither does this
for (var index in arr)
document.writeln(arr[index] + " ");
//This will write: Zero One Two
我如何像在第一个示例中那样从第二个示例中删除“一个”?
最佳答案
执行此操作的正确方法不是使用数组,而是使用对象:
var x = {};
x['Zero'] = 'Zero';
x['One'] = 'One';
x['Two'] = 'Two';
console.log(x); // Object Zero=Zero One=One Two=Two
delete x['One'];
console.log(x); // Object Zero=Zero Two=Two
关于javascript - 在JavaScript中拼接字符串索引数组,我们在Stack Overflow上找到一个类似的问题:https://stackoverflow.com/questions/948894/