localStorage.removeItem 不从输入字段中删除日期

Question

我有用于在本地存储中保存 Date 的代码，但是我的 localStorage.removeItem 不工作。
你能告诉我我做错了什么吗？

let today = new Date().toISOString().slice(0, 10)
document.getElementById("datata").value = getSavedValue("datata");
document.getElementById("exdated").value = getSavedValue("exdated");

function saveValue(e) {
  var id = e.id;
  var val = e.value;
  localStorage.setItem(id, val);
}

function getSavedValue(v) {
  if (!localStorage.getItem(v)) {
    return today;
  }
  return localStorage.getItem(v);
  localStorage.removeItem(v);
}

Answer 1

您需要在 return 语句之前删除。

let today = new Date().toISOString().slice(0, 10)
document.getElementById("datata").value = getSavedValue("datata"); 
document.getElementById("exdated").value = getSavedValue("exdated"); 
function saveValue(e){
   var id = e.id;  
   var val = e.value; 
   localStorage.setItem(id, val); 
}
   
function getSavedValue  (v){
   if (!localStorage.getItem(v)) {
    return today;
   }

   var item = localStorage.getItem(v);
   localStorage.removeItem(v); 
   return item;   
}

localStorage.removeItem 不从输入字段中删除日期

localStorage.removeItem does not remove the Date from input field

javascript

local-storage