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We can make npm packages available for you to use in your JavaScript. We use webpack to prepare them and make them available to import. We'll also process your JavaScript with Babel.

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HTML Settings

Here you can Sed posuere consectetur est at lobortis. Donec ullamcorper nulla non metus auctor fringilla. Maecenas sed diam eget risus varius blandit sit amet non magna. Donec id elit non mi porta gravida at eget metus. Praesent commodo cursus magna, vel scelerisque nisl consectetur et.

            
              <div class="wrapper"></div>
            
          
!
            
              html { font-size: 62.5%; }
html,body,#wrapper {height: 100%;}
/* body */

body
{
    font-size: 1.4rem; 
    line-height: normal;
    letter-spacing: normal;
    background-color: #f9f9f9;
    background-image: url(https://www.pakutaso.com/shared/img/thumb/Photoelly037_TP_V.jpg);
    background-position: center center;
    -webkit-background-size: cover;
         -o-background-size: cover;
            background-size: cover;
}

.wrapper
{
	margin: 0px auto;
	width: 100%;
	position: relative;
	display: flex;
}
.contents {
	width: 80%;
	max-width: 600px;
	margin: 0 auto;
	margin-top: 10vh;
	max-height: 80vh;
	background-color: #fff;
	-webkit-border-radius: 20px;
	        border-radius: 20px;
	-webkit-box-shadow: 0px 1px 10px #777;
	        box-shadow: 0px 1px 10px #777;
	
}
.contents h1 {
	text-align: center;
	border-bottom: 1px solid #ddd;
	padding: 15px 0;
	font-size: 1.6rem;
	/*height: 40px;*/
}
.main {
	padding: 10px 20px;
	overflow: hidden;
	width: 100%;
}
.add {
	width: 100%;
	padding: 10px;
	height: 40px;
	font-size: 14px;
  border-bottom: 1px solid #ddd;
	-webkit-transition: 0.3s;
	   -moz-transition: 0.3s;
	    -ms-transition: 0.3s;
	     -o-transition: 0.3s;
	        transition: 0.3s;
}
.add:focus {
	outline: none;
  border-bottom-color: #bbb;
  letter-spacing: 1px;
}
.lists {
	margin-top: 10px;
	overflow: auto;

	width: 575px;
	height: calc(80vh - 164px );
}
.lists li {
	width: 560px;
	/*border-top: 1px solid #ccc;*/
	display: flex;
	padding: 6px 10px;
	align-items:center;
	
}

.lists li * {
	font-size: 1.6rem;
	color: #555;
}
.lists li label {
	cursor: pointer;
	
}
.lists li label input {
	display: none;
}
.lists li label span {
	font-size: 2rem;
	display: inline-block;
	-webkit-transition: all 0.2s;
	   -moz-transition: all 0.2s;
	    -ms-transition: all 0.2s;
	     -o-transition: all 0.2s;
	        transition: all 0.2s;
  color: #999;
}
.lists li label span:hover {
	-webkit-transform: scale(1.08);
	   -moz-transform: scale(1.08);
	    -ms-transform: scale(1.08);
	     -o-transform: scale(1.08);
	        transform: scale(1.08);
}
.lists li label input:checked ~ span {
	color: #3498db;
}
.lists li input[type=text] {
	flex-grow: 1;
	margin: 0 10px;
	padding: 5px 8px;
	
}
.lists li input[type=text]:focus {
	-webkit-box-shadow: 0 0 3px #ccc;
	        box-shadow: 0 0 3px #ccc;
	
	outline: none;
}
.lists li .delete {
	cursor: pointer;
	opacity: 0;
}
.lists li:hover .delete {
	opacity: 1;
}
.filters {
	width: 100%;
	border-top: 1px solid #ddd;
	padding: 10px 10px 10px 0;
	text-align: right;
}
.filters select {
	border: none;
	background-color: #fff;
	font-size: 1.4rem;
}
.filters select:focus {
	outline: none;
}

@media screen and (max-width: 768px) {
	.contents {
		margin-top: 5vh;
		max-height: 90vh;
		width: 90%;
	}
	.main {
		padding: 15px;
	}
	.lists {
		height: calc(90vh - 170px );
	}
}

@font-face {
  font-family: 'icomoon';
  src:  url('https://cdn.linearicons.com/free/1.0.0/Linearicons-Free.eot');
  src:  url('https://cdn.linearicons.com/free/1.0.0/Linearicons-Free.eot?#iefix') format('embedded-opentype'),
    url('https://cdn.linearicons.com/free/1.0.0/Linearicons-Free.ttf') format('truetype'),
    url('https://cdn.linearicons.com/free/1.0.0/Linearicons-Free.woff') format('woff'),
    url('https://cdn.linearicons.com/free/1.0.0/Linearicons-Free.svg#Linearicons-Free') format('svg');
  font-weight: normal;
  font-style: normal;
}

[class^="icon-"], [class*=" icon-"] {
  /* use !important to prevent issues with browser extensions that change fonts */
  font-family: 'icomoon' !important;
  speak: none;
  font-style: normal;
  font-weight: normal;
  font-variant: normal;
  text-transform: none;
  line-height: 1;

  /* Better Font Rendering =========== */
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}


.icon-checkmark-circle:before {
  content: "\e87f";
}

.icon-pencil:before {
  content: "\e802";
}
.icon-trash:before {
  content: "\e811";
}

            
          
!
            
              var todoListLS = [];
//ローカルストレージ関係
var todoStorage = {
  get: function (todos) {
    todoListLS = JSON.parse(localStorage.getItem('simpleTodo') || '[]');
    return todoListLS;
  },
  save: function (todos) {
    todoListLS = todos;
    localStorage.setItem('simpleTodo', JSON.stringify(todoListLS));
  }
}

class TodoAdd extends React.Component {
	constructor(props){
		super(props);
    this.state = {
      newTodo: ""
    };
	}
	handleChange(event){
			this.setState({newTodo: event.target.value});
	}
	handleNewTodoKeyDown(event){
		if (event.keyCode !== 13) {
			return;
		}
		var val = this.state.newTodo;
		this.props.onTodoSubmit({title: val,check:false})
		if (val) {
				this.setState({newTodo: ''});
		}
	}
	render() {
    return (
			<input type="text" placeholder="タスクを記入" className="add" onKeyDown={this.handleNewTodoKeyDown.bind(this)} onChange={this.handleChange.bind(this)} value={this.state.newTodo} />
		)
  }
}


class TodoItem extends React.Component {
	handleDelete(){
    this.props.onTodoDelete(this.props.todo.id);
  }
	handleEdit(event){
		var title = event.target.value;
    this.props.onTodoEdit(this.props.todo.id,title);
  }
	toggleCheck(event) {
		var checked = event.target.checked;
		this.props.onTodoCheck(this.props.todo.id,checked);
	}
  render() {
    return(
			<li>
        <label><input type="checkbox" name="check" checked={this.props.todo.check} onChange={this.toggleCheck.bind(this)} /><span className="icon-checkmark-circle"></span></label>
        <input type="text" name="task" value={this.props.todo.title} onChange={this.handleEdit.bind(this)} />
        <span className="delete icon-trash" onClick={this.handleDelete.bind(this)}></span>
      </li>
		);
  }
}
					
class Todo extends React.Component {
	constructor(props){
		super(props);
    this.state = {
      todos: todoStorage.get(),
			sortfilter: "all"
    };
	}
	handleTodoAdd(todo) {
    todo.id = new Date();
    const newTodo = this.state.todos.concat(todo);
    this.setState({todos: newTodo});
  }
	handleTodoEdit(id,title) {
		const newTodo = this.state.todos.map((todo) => {
				if(todo.id == id){
					todo.title = title;
				}
		return todo;
		})
		this.setState({todos: newTodo});
  }
	handleTodoDelete(id) {
		const newTodo = this.state.todos.filter((todo) => {
        return todo.id !== id;
    })
    this.setState({todos: newTodo});
	}
	handleTodoCheck(id,check) {
		const newTodo = this.state.todos.map((todo) => {
				if(todo.id == id){
					todo.check = check;
				}
        return todo;
    })
		this.setState({todos: newTodo});
	}
	handleTodoSort(event) {
		this.setState({sortfilter: event.target.value});
	}
	componentWillUpdate(nextProps,nextState){
		todoStorage.save(nextState.todos);
	}
	
  render() {
		const filterTodos = this.state.todos.filter((todo) => {
			var filterTask = this.state.sortfilter;
      if(filterTask == "all"){
        return todo;
      }else if(filterTask == "complete"){
        return todo.check;
      }else if(filterTask == "incomplete"){
        return !todo.check;
      }
		})
		const todoItems = filterTodos.map((todo) => {
      return (
        <TodoItem 
					key={todo.id}
					todo={todo} 
					onTodoEdit={this.handleTodoEdit.bind(this)} 
					onTodoDelete={this.handleTodoDelete.bind(this)}
					onTodoCheck={this.handleTodoCheck.bind(this)}
				/>
      )
    })
    return(
			<div className="contents">
				<h1>Todo</h1>
				<div className="main todoList">
					<TodoAdd onTodoSubmit={this.handleTodoAdd.bind(this)} />
					<ul className="lists">
					{todoItems}
					</ul>
					<div className="filters">
						<select name="todoChange" onChange={this.handleTodoSort.bind(this)}
								>
          		<option value="all">All Tasks</option>
            	<option value="incomplete">Incompelete Tasks</option>
            	<option value="complete">Complete Tasks</option>
          	</select>
					</div>
				</div>
				
			</div>
		);
  }
}
ReactDOM.render(
  <Todo />,
  document.getElementsByClassName('wrapper')[0]
);
            
          
!
999px
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