Html: Contenteditable how to detect before deleting element after pressing backspace?

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I am making a text editor with <div contenteditable>. I want to prompt a confirmation message before the user deleting image element inside the editor. So when the user press backspace, before deleting the image element, there should be a prompt "Are you sure you want to delete the image?".

How can I do this?

2 thoughts on “Html: Contenteditable how to detect before deleting element after pressing backspace?”

  1. Event listener keydown can be added to that <div contenteditable> element. Keydown and keypress events takes place before the content is changed and event.preventDefault() can be used to stop the content before editing.

    window.onload = function(){
  document.getElementById("elem").addEventListener('keydown',function(event){
    if( event.key=='Backspace' ){
      //your condition check can be given here
      if( confirm('are you sure you want to delete') ){
        return;
      }else{
        event.preventDefault();      
      }

    } 
  });
}
    .edit-elem{
  background-color: red;
}
    <div contenteditable="true" class="edit-elem" id="elem"></div>
    Reply

  2. Is this what you want?

    $(document).ready(function(){
  $('.remove').click(function(e){
      e.preventDefault();
      alert('Are You Sure?');
  });
  
  $(document).on('keyup','div', function(e){
     console.log(e.keyCode);
     if(e.keyCode == '8'){
       alert('You have pressed backspace');
     }
  
  });
});
    <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<div contenteditable>
 <input type="file" class="image" name="image"/>
 <button type="button" class="remove">Remove</button>
</div>
    Reply

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