摘要：element-ui 输入框的前后缀图标 prefix-icon 和 suffix-icon prefix-icon表示前缀 suffix-icon表示后缀 阅读全文

摘要：<input id="Button1" type="button" value="开始全屏" onclick="kaishi()" /> <input id="Button2" type="button" value="关闭全屏" onclick="guanbi()" /> <script> //开 阅读全文

摘要：var date = new Date(); var seperator1 = "-"; var year = date.getFullYear(); var month = date.getMonth() + 1; var hour = date.getHours(); var minutes = 阅读全文