小编给大家分享一下js实现表格拖动选项的方法，相信大部分人都还不怎么了解，因此分享这篇文章给大家参考一下，希望大家阅读完这篇文章后大有收获，下面让我们一起去了解一下吧！
具体内容如下
题目要求如下图所示，具体思路：拖动改变选择项，用的的事件是js的拖动相关事件。
代码：
<!doctype html><html lang="en"><head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0"> <meta http-equiv="X-UA-Compatible" content="ie=edge"> <title>Document</title> <style> *{ margin: 0; padding: 0; } ul,li{ list-style: none; cursor: pointer; } .specWrap{ width: 800px; margin: 0 auto; user-select: none; } .specification{ border: 1px solid #ccc; width: 100%; position: relative; } .sp-top{ height: 60px; line-height: 60px; text-align: center; box-sizing: border-box; } .sp-top ul{ overflow: hidden; } .sp-top ul li{ width: 33%; float: left } .sp-top ul li:nth-of-type(2){ border-left: 1px solid #ccc; border-right: 1px solid #ccc; } .sp-cen{ text-align: left; box-sizing: border-box; border-bottom: 1px solid #ccc; border-top: 1px solid #ccc; text-indent: 20px; overflow: hidden; } .screen{ width: 33%; float: left; } .screen:nth-of-type(2){ border-left: 1px solid #ccc; border-right: 1px solid #ccc; } .sp-btm{ text-align: left; box-sizing: border-box; text-indent: 20px; overflow: hidden; } .resolution{ width: 33%; float: left; } .resolution:nth-of-type(2){ border-left: 1px solid #ccc; border-right: 1px solid #ccc; } .btn{ float: right; width: 60px; margin: 20px 0; } </style></head><body><div class="specWrap"> <div class="specification"> <div class="sp-top"> <ul> <li>SPECIFICATIONS功能</li> <li>LEVELS规格</li> <li>SELECTED选择</li> </ul> </div> <div class="sp-cen"> <div class="screen"> <p>Screen size屏幕大小</p> </div> <div class="screen"> <ul class="size"> <li>4</li> <li>4.5</li> <li>5</li> <li>5.5</li> <li>6</li> <li>6.5</li> </ul> </div> <div class="screen sc"></div> </div> <div class="sp-btm"> <div class="resolution"> <p>Screen resolution屏幕分辨率</p> </div> <div class="resolution"> <ul class="resolu"> <li>High definition (720p)</li> <li>Full HD (1080p)</li> <li>Quad HD (2K) 四倍高清（2K）</li> <li>Ultra HD (4K) 超高清（4K）</li> </ul> </div> <div class="resolution re"></div> </div> </div> <div> <button class="btn">提交</button> </div></div></body><script> var size=document.getElementsByClassName('size')[0].children; //size列表 var resolu=document.getElementsByClassName('resolu')[0].children; //分辨率列表 var specWrap=document.getElementsByClassName('specWrap')[0]; for(let i=0;i<size.length;i++){ //size选择 size[i].function (e) { //按下事件 for(var i=0;i<size.length;i++){ size[i].style.position=''; size[i].style.background=''; } var e=e||event; var lf=e.offsetX; var tp=e.offsetY; var current=this; current.style.position='absolute'; document.function(e){ //移动事件 var e=e||event; var x=e.clientX-specWrap.offsetLeft-lf; var y=e.clientY-specWrap.offsetTop-tp; current.style.left=x+'px'; current.style.top=y+'px'; } document.function(){ //鼠标释放事件 document.null; document.getElementsByClassName('sc')[0].innerHTML=current.innerHTML; current.style.position=''; } } } for(let i=0;i<resolu.length;i++){ //resolution选择，可以进行代码封装，在这我就不封装了 resolu[i].function (e) { for(var i=0;i<resolu.length;i++){ resolu[i].style.position=''; resolu[i].style.background=''; } var e=e||event; var lf=e.offsetX; var tp=e.offsetY; var current=this; current.style.position='absolute'; current.style.zIndex=6; document.function(e){ var e=e||event; var x=e.clientX-specWrap.offsetLeft-lf; var y=e.clientY-specWrap.offsetTop-tp; current.style.left=x+'px'; current.style.top=y+'px'; } document.function(){ document.null; document.getElementsByClassName('re')[0].innerHTML=current.innerHTML; current.style.position=''; } } }</script></html>以上是“js实现表格拖动选项的方法”这篇文章的所有内容，感谢各位的阅读！相信大家都有了一定的了解，希望分享的内容对大家有所帮助，如果还想学习更多知识，欢迎关注编程网行业资讯频道！
