我有一个如下所示的数组:
var fields = [
{name:"mark", age:"23"},
{name:"smith", age:"28"},
{name:"kelvin", age:"25"},
{name:"micheal", age:"22"}
];
我知道字段现在将具有索引/键0,1,2,3。
如何删除索引2并重置键,使我们现在拥有0,1,2而不是0,1,3。
我有一个如下所示的数组:
var fields = [
{name:"mark", age:"23"},
{name:"smith", age:"28"},
{name:"kelvin", age:"25"},
{name:"micheal", age:"22"}
];
我知道字段现在将具有索引/键0,1,2,3。
如何删除索引2并重置键,使我们现在拥有0,1,2而不是0,1,3。
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/splice
fields.splice(2,1); // This modifies your original array and removes only one element starting at index 2.