babel-plugin-negative-length

一个babel插件，使数组支持负数索引从而可以获取倒数第n个单元

Usage no npm install needed!

<script type="module">
  import babelPluginNegativeLength from 'https://cdn.skypack.dev/babel-plugin-negative-length';
</script>

快捷获取数组的倒数第n个值

const arr=[1,2,3,4,5,6];
arr[-1] //6
arr[-5] //2

目前只支持一维数组！