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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.

HTML

              
                <h2 class="bar bar-header bar-light">My Tasks (<span id="tasksLength"></span>)</h2>
<hr class="has-header" />
<div id="taskContainer" class="has-header">
</div>
<hr />
<button id="refresh-tasks">Refresh Tasks</button>
<div class="add-task-section">
  <form name="addTask">
    <input type="search" required placeholder="I want to..." id="add-task" />
    <input type="submit" value="Add Task" />
  </form>
</div>

<div class="delete-item-section">
   <button onclick="deleteTask();" id="deleteSelected">Delete Selected</button>
</div>

<hr />
<h3>Tasks Completed</h3>
<hr />
<div id="completedTasksContainer">
</div>




<div class="overlay" id="overlay">
  <div class="roadmap">
  <ol>
    <li class="achieved">Add roadmap section</li>
    <li class="achieved">Add Delete Task Functionality</li>
    <li class="achieved">Move Delete Tasks to Archived Section</li>
    <li>Add Task Clear Functionality</li>
  </ol>  
  </div>
  <button id="hideRoadmap">Hide</a>
</div>
<button class="roadmap-btn" id="showRoadmap">Roadmap</button>




              
            
!

CSS

              
                .has-header{
  margin-top: 24px;
}
#taskContainer ul{list-style-type:none}
li{
  transition: all 0.7s ease-in;
}

li.selected{
  background:#ccc;
}

#completedTasksContainer li.selected{
  background: #fff;
  text-decoration:line-through;
}

/* -- Road map styles **/
.achieved{text-decoration: line-through}
.overlay{
  width: 100%;
  height: 100%;
  display:none;
  position:absolute;
  top:0;
  left:0;
  background: rgba(0,0,0,0.8);
}

.show{ display: block;}
.overlay ol{
  color:#fff;
}
.roadmap-btn{
  position:fixed;
  right: 0;
  bottom: 0;
  z-index:-1;
}
              
            
!

JS

              
                
var tasksContainer = document.getElementById("taskContainer");
 var selectedTasksContainer = document.createElement('ul');
var superItem;

var myTasks = ["Retrieve Driving Licence", "Write 300 words", "Check Emails"];

function selectTasks(){
  document.getElementById('refresh-tasks').addEventListener('click', refreshTasks);

var inputs = document.querySelectorAll('[type=checkbox]');

for(var i=0; i<inputs.length; i++){
    inputs[i].addEventListener('change',function(){
    highlight(this);
  });
}
}



function refreshTasks() {
  tasksContainer.innerHTML = '';
  
  if(myTasks.length <= 0){
    tasksContainer.innerHTML = "There no tasks, kindly add one"
  } else {
  
  var list = document.createElement('ul');
  for (var i = 0; i < myTasks.length; i++) {
    var item = document.createElement('li');
    var cb = document.createElement('input');
    var itemText = document.createTextNode(myTasks[i]);
    
    cb.setAttribute('type', 'checkbox');
    cb.setAttribute('data-item',myTasks[i]);
    cb.setAttribute('data-item','cb');
    cb.setAttribute('id','cb'+i);
    

    item.appendChild(cb);
    item.appendChild(itemText);

    list.appendChild(item);
  }
    tasksContainer.appendChild(list);
  selectTasks();
  }
  document.getElementById('tasksLength').innerHTML = myTasks.length;

}

function addTask(){
  myTasks.splice(myTasks.length,0,document.getElementById('add-task').value);
 
  refreshTasks();
  document.getElementById('add-task').value="";
}

document.forms.addTask.addEventListener('submit',function(evt){
  evt.preventDefault();
  addTask();
});

function deleteTask(){  
  //debug
  
 //selectedTasksContainer.innerHTML = '';
var inputs = document.querySelectorAll('[type=checkbox]');
  
for(var i=0; i<inputs.length; i++){
    if(inputs[i].checked){
      var currentCB = inputs[i];
      var currentLi = inputs[i].parentNode;
      currentLi.removeChild(currentCB);
      selectedTasksContainer.appendChild(currentLi);
      
      myTasks.splice(currentLi.childNodes[0].nodeValue,1);
    }
  
  
}
  console.log(selectedTasksContainer);
  refreshTasks();
  document.getElementById('completedTasksContainer').appendChild(selectedTasksContainer);
 
}



function highlight(item){
  var selectedItems = document.querySelectorAll('[data-item]');
  //console.log(selectedItems);
  //console.log(item.parentNode);
  item.parentNode.classList.toggle('selected');
}

refreshTasks();

// Overlay Section

document.getElementById("showRoadmap").addEventListener('click',function(){
  document.getElementById("overlay").classList.add('show');
});

document.getElementById("hideRoadmap").addEventListener('click',function(){
  document.getElementById("overlay").classList.remove('show');
})




              
            
!
999px

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