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next / express / next-routes
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本地存储 ============ 背景 --------- 由于ios只有2.8M,android只有5M的本地存储空间，为了避免在本地存储打满，业务直接setItem时报错，通过estorage来容错。 #### localStorge如果写满，写sessionStorage，再满写window变量 #### sessionStorage如果写满，写window变量 #### 事件监听可以监听key的变化
由于ios只有2.8M,android只有5M的本地存储空间，为了避免在本地存储打满，业务直接setItem时报错，通过estorage来容错。
