TODO-list | 待办事项APP | Reactive Programming library

Uncaught TypeError: Cannot read property 'contains' of undefined

Uncaught TypeError: Cannot set property 'display' of undefined

I am trying to loop through todoList and get the child element. Where I am wrong? The child element is the list item. The list items are dynamically added on adding a todo.

I have a simple todo list and i want to add download function and then upload one. for example I want to add this functions in a server code. first of all i want to save my todo-list in a local storage and then upload them and download it. here is link of my code. could anybody help me? https://jsfiddle.net/zahrashokri/uqkn6t3y/3 here is my js code:

I am working on a small Todo App with Vue 3. I want the appending of a new to-do item to be smooth, not instantaneous.

For this purpose, I have added the class active to the latest to-do item:

hi friend i have a question. i want create todo-list app with Vue an i have 3 components now: task component is in tasks components is in app components (task is child of tasks and tasks in child of app)

i want handle delete this tasks and set reminder this tasks i have a tasks array with some object in it that is pass from app.vue to tasks component i have a property of reminder in objects of tasks that is have a boolean

i want delete task with handleDelete but this function has an error but when i write this function in app component it work! and set reminder in tasks worked!

why handleDelete didn't work in tasks component but setReminder worked in it?

my app components:

I am working on a small Todo App with Vue 3. In App.vue I have the 3 child components:

I am building React Todo app. However, I can't understand how todos type became object? In the App.js, we set it an array. In the Form.js we set
setTodos([...todos, { text: inputText, id: Math.random() * 1000 }]); I didn't understand what is going on in this line. Could you please help?

App.js

I am working on a small Todo App with Vue 3.

In App.vue I have the 3 child components and the methods:

I am working on a small to-do app with Svelte. I list 10 todos from jsonplaceholder.

I have this in App.svelte:

Making a small todo app, I want to add the functionality that when the task is checked, the checked task goes into an array. On first click the task consoles an empty array, then when unchecked and checked again, my array gets updated. Any reason as to why it takes two click for array to update?