Как предотвратить исчезновение Todos после освежающей страницы - JavaScript
const addButton = document.querySelector("#addToDo");
const delBtn = document.querySelector("#delToDo");
addButton.addEventListener("click", addTask, false);
var tasksID = 0;
function saveTask(taskID, taskInfo) {
// Get tasks from local storage
let tasks = localStorage.getItem("todo-tasks");
if (!tasks) {
tasks = {};
} else {
tasks = JSON.parse(tasks);
tasks[taskID] = taskInfo;
}
// Save the result back
let infobj = JSON.stringify(tasks);
localStorage.setItem("todo-tasks", infobj);
}
function drawSavedTasks() {
let tasks = localStorage.getItem("todo-tasks");
if (tasks) {
tasks = JSON.parse(tasks);
Object.keys(tasks).forEach(k => {
addTask(null, tasks[k]);
});
}
}
drawSavedTasks();
function addTask(e, textToDo = undefined) {
if (!textToDo) {
textToDo = document.querySelector("#toDo").value;
}
var list = document.querySelector(".list");
var divToDo = document.createElement("div");
var p = document.createElement("p");
var delButton = document.createElement("button");
divToDo.setAttribute("id", "todo" + tasksID);
divToDo.setAttribute("class", "toDo");
delButton.classList.add("delToDo");
delButton.textContent = "Delete";
p.textContent = textToDo;
delButton.onclick = function() {
divToDo.parentNode.removeChild(divToDo);
}
divToDo.appendChild(p);
divToDo.appendChild(delButton);
list.appendChild(divToDo);
saveTask(tasksID, textToDo);
++tasksID;
}
Helpless Hippopotamus