0216tool_xiaoye
Version:
叶永洁自定义工具函数库
35 lines (29 loc) • 1.12 kB
HTML
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>删除指定个数的左右边元素个数</title>
</head>
<body>
<script src="../dist/yeyongjie.js"></script>
<script>
/*
1. drop(array, count):
得到当前数组过滤掉左边count个后剩余元素组成的数组
说明: 不改变当前数组, count默认是1
如: drop([1,3,5,7], 2) ===> [5, 7]
2. dropRight(array, count):
得到当前数组过滤掉右边count个后剩余元素组成的数组
说明: 不改变当前数组, count默认是1
如: dropRight([1,3,5,7], 2) ===> [1, 3]*/
const arr = [1,3,5,7]
console.log(xiaoYe.drop(arr,2))
console.log(xiaoYe.drop(arr,4))
console.log(xiaoYe.drop(arr))
console.log(xiaoYe.dropRight(arr,2))
console.log(xiaoYe.dropRight(arr,4))
console.log(xiaoYe.dropRight(arr))
</script>
</body>
</html>