if (sessionStorage.getItem("allFilter")) { sessionStorage.removeItem("allFilter"); }意思
时间: 2024-04-24 14:27:15 浏览: 83
sessionStorage.js
这段代码的意思是,如果sessionStorage中存在名为"allFilter"的项,那么就将它移除。\[3\]sessionStorage是一种在浏览器中存储数据的方法,可以将数据保存在用户的会话期间。它类似于localStorage,但是存储的数据在用户关闭浏览器后会被清除。\[1\]所以,这段代码的作用是在特定条件下清除sessionStorage中的"allFilter"项。
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