实现元素之间的拖拽
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Title</title> <style> .div { width: 500px; } .div1 { float: left; height: 200px; width: 200px; background: #8ab5eb; } .div2 { float: right; height: 200px; width: 200px; background: #8ab5eb; } </style> </head> <body> <div class="div"> <div draggable="true" id="div1" class="div1"> <p id="pe" draggable="true">把我拖拽到右侧</p> </div> <div id="div2" draggable="true" class="div2"> </div> </div> <script> var p = document.querySelector("#pe"); var div1 = document.querySelector("#div1"); document.ondragstart=function (e) { e.dataTransfer.setData("text/html",e.target.id); }; document.ondrop=function(e){ var id= e.dataTransfer.getData("text/html"); e.target.appendChild(document.getElementById(id)); }; </script>
注意事项:
dataTransfer实现数据的存储于获取
通过ondragstart方法实现将数据的存储到dataTransfer中 e.dataTransfer.setDate("text/html",e.target.id)
通过获取只能在ondrop下面取值e.dataTransfer.getData("text/html")通过e.target.appendChild(document.getElementById)
实现此功能的必须要在需要拖拽的元素上加上一个属性 draggable="true"
以上代码被拖动的元素必须有id,没有id则拖拽不成功