2021-09-14 17:20 32 0

Footer元素始终紧靠在浏览器的底部。我们知道，当内容足够多可以撑开底部到达浏览器的底部，如果内容不够多，不足以撑开元素到达浏览器的底部时，下面要讲的布局就是解决如何使元素粘住浏览器底部。相关的视频教程请访问 https://www.bilibili.com/video/BV1uQ4y1y7rC/ 效果图…

2021-05-16 11:34 551 0

!doctype htmlhtml lang="zh-cn"headmeta charset="UTF-8"title上传文件/title/headbodyinput type="file" id="testJsonFile" onchange="openFile(event)" script type="text/javascript"//获取到选中的文件var openFile = function (event) {var inp…

2021-04-22 14:05 573 0

var str="2021-04-22 13:56:00";var temp= Date.parse(str);console.Log(temp);//IE浏览器 输出结果为 NaN//解决办法var reg = new RegExp("-", "g");var newStr= str.replace(reg, '/');//将str里面所有的 - 替换成///替换后 newStr为2021/04/22 13:56:00"var temp2= Da…

2021-04-20 16:46 567 0

!DOCTYPE htmlhtmlheadtitledemo/titlelink rel="stylesheet" href="../dist/dygraph.css"script type="text/javascript" src="../dist/dygraph.js"/script/headbodyh2Demo/h2tabletrtddiv id="demodiv"/div/tdtd valign=topdiv id…

2021-04-20 14:59 631 0

!doctype htmlhtml lang="zh-cn"headmeta charset="UTF-8"titleselect选择值改变触发事件/title/headbodyselect id="oad" onchange="displayData()"option value="1"功率/optionoption value="0"电流/option/selectscriptfunction displayD…

2021-03-30 17:24 1744 0

2021-04-30 更新相关的视频教程 https://www.bilibili.com/video/BV1uK4y1Z7uw?share_source=copy_web导入!doctype htmlhtml lang="zh-cn"head meta charset="UTF-8"title上传文件/titlescript type="text/javascript" src='./xlsx.core.min.js'/script…

2021-03-30 11:59 740 0

!doctype htmlhtml lang="zh-cn"headmeta charset="UTF-8"title上传文件/titlestyle.lqwvje-btn {display: inline-block;height: 38px;line-height: 38px;padding: 0 18px;background-color: #009688;color: #fff;white-space: nowrap;text-align: center;fon…

2021-03-23 17:24 631 0

以下JS函数用于获取url参数:function getQueryVariable(variable){var query = window.location.search.substring(1);var vars = query.split("&");for (var i=0;ivars.length;i++) {var pair = vars[i].split("=");if(pair[0] == variable){return pair[1];}}return(false…

2021-02-26 11:42 1123 0

script document.getElementById('oad').onchange = function () {var select = document.getElementById('oad');//获取选中显示值alert(select.options[select.selectedIndex].innerText);//获取选中值alert(select.value);}/script

2021-02-24 15:19 1034 0

scriptwindow.onresize = function(){alert(document.body.clientWidth);//获取网页可见区域宽}/script