fruits = ["mango","apple","pine","berry"];
如果我想删除一个元素的索引,该如何使用JavaScript来实现呢?您也可以根据需要使用库。
发布于 2018-09-16 03:36:27
您可以使用splice
来做同样的事情。Syntax = array.splice(start_index, no_of_elements)
命令如下:
const fruits = ["mango","apple","pine","berry"]; // returns mutated array
const removed = fruits.splice(2, 1); // returns array of removed items
console.log('fruits', fruits);
console.log('removed', removed);
这将从索引2中删除一个元素,即在操作fruits=["mango","apple","berry"];
之后
https://stackoverflow.com/questions/52348143
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