<!DOCTYPE HTML><html> <head> <title>数字游戏</title> <meta charset="utf-8"> <style> h1{ text-align:center; } #box{ width:600px; height:600px; border:1px solid chartreuse; position:absolute; left:calc(50% - 300px); top:calc(50% - 300px); text-align:center; } #box div{ box-sizing:border-box; width:200px; height:200px; float:left; background-color:darkcyan; border:1px solid chartreuse; font:bolder 18px/200px "微软雅黑"; color:#FFF; } </style> <script> //页面加载结束才触发脚步 window.onload = function () { var list = document.getElementById('box').getElementsByTagName('div'); for(var i = 0; i < list.length; i++){ list[i].draggable = true; list[i].ondragstart = divOnDragStart; list[i].ondragover = divOnDragOver; list[i].ondrop = divOnDrop; } } //开始拖动 function divOnDragStart(){ event.dataTransfer.setData('srcId',event.target.id); //console.log(event.target.id); console.log('dragstart' + event.target.id); } //放下的 时候 function divOnDragOver(){ event.preventDefault();//阻止默认行为 console.log('dragstart' + event.target.id); } //松开，丢下去 function divOnDrop(){ //event.preventDefault(); // console.log('drop'); console.log('dragstart' + event.target.id); var srcId = event.dataTransfer.getData('srcId'); var scrNum = document.getElementById(srcId).innerText; document.getElementById(srcId).innerText = event.target.innerText; event.target.innerText = scrNum; } </script> </head> <body> <h1>文字游戏</h1> <div id="box"> <div id="div1">1</div> <div id="div2">2</div> <div id="div3">3</div> <div id="div4">4</div> <div id="div5">5</div> <div id="div6">6</div> <div id="div7">7</div> <div id="div8">8</div> <div id="div9">9</div> </div> </body> </html>用jQuery写出来
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