@akrc/draggable-polyfill

draggable-polyfill

🌈a beautify polyfill for html5 native drag!

Feature

Remove translucent preview!

• light and beautiful
• native and no dependence
• progressive enhancement and no side effects
• cross framework

Example

• with draggable-polyfill

How to use

Import the library code

• github

<script src="./lib/draggable-polyfill.js"></script>

• npm

npm install draggable-polyfill

then these native draggable elements( [draggable=true],img ) will becoming beautiful

[allowdrop]elements will receive drag event data.

<div draggable="true">drag me</div>
<img src="./avator" alt="avator">
<!--dropbox-->
<div allowdrop></div>

you can use HTML Drag and Drop API

//draggable
draggable.addEventListener('dragstart',()=>{})
draggable.addEventListener('drag',()=>{})
draggable.addEventListener('dragend',()=>{})
//allowdrop
allowdrop.addEventListener('dragover',()=>{})
allowdrop.addEventListener('dragenter',()=>{})
allowdrop.addEventListener('dragleave',()=>{})
allowdrop.addEventListener('drop',()=>{})

How to Custom Style

draggable elements will add props dragging and dropbox will add props over under dragging, so you can custom style through CSS

<!--your draggable element-->
<div class="dragbox" draggable="true">drag me</div>
<!--your allowdrop element-->
<div class="dropbox" allowdrop></div>

/**custom styles**/
.dragbox[dragging]{
    box-shadow: 5px 5px 15px rgba(0, 0, 0, .2);
}
.dropbox[over]{
    border-color: red;
}

Other Feature

you can set axis=X|Y to limit drag direction or press shift key when dragging.

<div axis="X" draggable="true">drag me</div>

Browser Supports

• Chrome
• Firefox
• Safari

Note:This polyfill works on Chrome and Firefox, not for IE( IE is not supports setDragImage ), it will keep default effect.

License

MIT