# WebStorage - 浏览器存储

# 1. 介绍

分类：

方法:

method	desc
`key()`	When passed a number n, this method will return the name of the nth key in the storage.
`getItem()`	When passed a key name, will return that key's value.
`setItem()`	When passed a key name and value, will add that key to the storage, or update that key's value if it already exists.
`removeItem()`	When passed a key name, will remove that key from the storage.
`clear()`	When invoked, will empty all keys out of the storage.

生命周期：

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