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HTML5 drag and drop (example: Drag and Drop Images Between Two div ),

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Author: User
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HTML5 drag and drop (example: Drag and Drop Images Between Two div ),

 

Important explanation:

First, set the draggable attribute to true to make the elements (such as images) drag:

The dataTransfer. setData () method sets the data type and value of the dragged data:

The ondragover event specifies where to place the dragged data.

By default, data/elements cannot be placed in other elements. To allow placement, We must block the default Processing Method for elements.

You must call the ondragover eventEvent. PreventDefault () method:

A drop event occurs when data is dragged.

  • PreventDefault () is called to prevent the browser from processing data by default (the default action of the drop event is to open in the form of a link)
  • Use the dataTransfer. getData ("Text") method to obtain the dragged data. This method returns any data set to the same type in the setData () method.
  • Dragged data is the id of the dragged element ("drag1 ")
  • Append the dragged element to the placed element (target element ).

 

Result ----

Before dragging

After dragging

Drag back

........

Drag and Drop an image between two <div> elements-code list:

 <!DOCTYPE html>

 

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