24 Jun 2016

JavaScript drag and drop effects

03 Jul 2025

The core steps to implement HTML5 drag and drop function include: 1. Set the element draggable="true" attribute to enable drag; 2. Set dataTransfer data in the dragstart event; 3. Call e.preventDefault() in the dragover event to allow placement; 4. Get data and perform operations in the drop event; at the same time, pay attention to the default behavior of the image, cross-domain restrictions, mobile compatibility, and custom UI feedback.

05 Jul 2025

The way to add drag and drop functionality to a web page is to use HTML5's DragandDrop API, which is natively supported without additional libraries. The specific steps are as follows: 1. Set the element draggable="true" to enable drag; 2. Listen to dragstart, dragover, drop and dragend events; 3. Set data in dragstart, block default behavior in dragover, and handle logic in drop. In addition, element movement can be achieved through appendChild and file upload can be achieved through e.dataTransfer.files. Note: preventDefault must be called

07 Jul 2025

HTML5 drag and drop function is implemented through dragstart, dragover, drop and other events, and is often used for file upload and element interaction. ① When implementing, you need to set the element draggable="true" and prevent the default behavior of the dragover; ② File upload depends on the DataTransfer object to obtain the file list; ③ Element interaction requires storage of data in dragstart and reading in drop; ④ Pay attention to browser compatibility and mobile adaptation; ⑤ Add visual feedback to improve user experience.

28 Jun 2025

Use HTML5DragandDrop API to implement web drag and drop without the need for external libraries. 1. Make elements draggable by setting draggable="true"; 2. Use the dragstart event to store drag data; 3. Add dragover and drop event processing in the drop area to accept drag and drop; 4. Optionally provide drag and drop visual feedback through CSS and JavaScript; 5. Pay attention to calls to e.preventDefault(), single transfer restrictions and browser compatibility issues.

04 Jul 2025

TocustomizethedragimageinHTML5draganddrop,usethesetDragImage()methodduringthedragstartevent.1.CreateorselectanimageelementorhiddenDOMelementtoserveasthecustomdragimage.2.Callevent.dataTransfer.setDragImage(element,offsetX,offsetY)withinthedragstartli

28 Feb 2025

This post showcases 10 jQuery drag-and-drop plugins you might not have encountered before, enhancing your frontend development capabilities. Note that some plugins may be in beta, under development, or lack ongoing maintenance. Related: 18 jQuery Dr

12 Mar 2025

This article explains HTML5's drag-and-drop API, detailing how to make elements draggable, handle drag/drop events, and manage data transfer using event.dataTransfer. It highlights common pitfalls like forgetting event.preventDefault() and inconsis

09 Jul 2025

The drop event is a key step in the HTML5 drag and drop API, used to get drag and drop data and process interactions. 1. The default behavior needs to be blocked in the dragover event to trigger the drop; 2. Read text, links or HTML content through event.dataTransfer.getData(); 3. Use dataTransfer.files to get the dragged file object; 4. Optionally add style feedback through the dragenter and dragleave events to improve the user experience.