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todo.js
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todo.js
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//render all tasks on refresh and load
showtask();
let addtaskinput = document.getElementById("input");
let addtaskbtn = document.getElementById("add");
const taskInput = document.querySelector(".input");
let editId
let isEditTask = false;
//add task in local storage when press enter key
taskInput.addEventListener("keyup", e => {
todos = JSON.parse(localStorage.getItem("localtask"));
let inputval = addtaskinput.value.trim();
if (e.key == "Enter" && inputval) {
if (!isEditTask) {
todos = !todos ? [] : todos;
let taskInfo = { name: inputval, status: "pending" };
todos.push(taskInfo);
} else {
isEditTask = false;
todos.name = inputval;
}
addtaskinput.value = "";
localStorage.setItem("localtask", JSON.stringify(todos));
showtask();
}
})
//add task to local storage when click add button
addtaskbtn.addEventListener("click", () => {
let inputval = addtaskinput.value.trim();
if (inputval) {
if (!isEditTask) {
todos = !todos ? [] : todos;
let taskInfo = { name: inputval, status: "pending" };
todos.push(taskInfo);
} else {
isEditTask = false;
todos.name = inputval;
}
addtaskinput.value = "";
localStorage.setItem("localtask", JSON.stringify(todos));
showtask();
}
})
// get tasks into local storage and show tasks on browser
function showtask() {
let webtask = localStorage.getItem("localtask");
if (webtask == null) {
todos = [];
} else {
todos = JSON.parse(webtask);
}
let html = '';
let addedtasklist = document.getElementById("add-items");
todos.forEach((item, index) => {
//condition for complete task
let completed = item.status == "completed" ? "checked" : "";
html += `
<div class="row m-0">
<div class="col-2">
<label class="check" for="${index}">
<input onclick="updateStatus(this)" type="checkbox" id="${index}"
${completed}>
</label>
<span class="input">${index+1}</span>
</div>
<div class="col-7">
<span>${item.name}</span>
</div>
<div class="col-3">
<img src="edit.png" onclick="edittask(${index},'${item.name}')" class="mx-2" style="width:20px;cursor:pointer;"/>
<img src="delete.png" onclick="deleteitem(${index})" class="" style="width:20px;cursor:pointer;"/>
</div>
</div>
<hr>
`
});
addedtasklist.innerHTML = html;
}
//edit task
function edittask(eid, textName) {
saveindex = document.getElementById("saveindex").value;
savetaskbtn = document.getElementById("savetaskbtn");
addtaskbtn = document.getElementById("add");
saveindex = eid;
console.log(saveindex)
todos = JSON.parse(localStorage.getItem("localtask"));
addtaskinput.value = textName;
addtaskbtn.style.display = "none";
savetaskbtn.style.display = "block";
}
//task save after edit
saveedit = document.getElementById("savetaskbtn");
saveedit.addEventListener("click", () => {
todos = JSON.parse(localStorage.getItem("localtask"));
isEditTask = true;
id = saveindex;
console.log(saveindex)
todos[id].name = addtaskinput.value;
console.log(todos[id].name)
addtaskbtn.style.display = "block";
savetaskbtn.style.display = "none";
localStorage.setItem("localtask", JSON.stringify(todos));
addtaskinput.value = "";
showtask();
})
//complete task
function updateStatus(selectedTask) {
let taskName = selectedTask.parentElement.lastElementChild;
if (selectedTask.checked) {
taskName.classList.add("checked");
todos[selectedTask.id].status = "completed";
} else {
taskName.classList.remove("checked");
todos[selectedTask.id].status = "pending";
}
localStorage.setItem("localtask", JSON.stringify(todos))
}
//delete individual task
function deleteitem(index) {
let webtask = localStorage.getItem("localtask");
let todos = JSON.parse(webtask);
todos.splice(index, 1);
localStorage.setItem("localtask", JSON.stringify(todos));
showtask();
}
//clear all tasks
let deleteallbtn = document.getElementById("clearbtn");
deleteallbtn.addEventListener("click", function() {
let webtask = localStorage.getItem("localtask");
let todos = JSON.parse(webtask);
if (webtask == null) {
todos = [];
} else {
todos = JSON.parse(webtask);
todos = [];
}
localStorage.setItem("localtask", JSON.stringify(todos));
addtaskinput.value = '';
showtask();
})