本文实例为大家分享了jQuery实现只显示年份下拉框的具体代码，供大家参考，具体内容如下
代码:
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<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Document</title> <script src="https://lib.baomitu.com/jquery/3.5.1/jquery.js"></script></head><body> <div id="main" style="width: 600px;height:400px;"></div> <select name="" id="start" onchange="chooseYear2()"> <option value="">1949</option> </select> <select name="" id="end"> <option value=""></option> </select> <script type="text/javascript"> var date = new Date(); var y = date.getFullYear() function chooseYear1() { for (let i = 1949; i<=y; i ++) { let start = document.getElementById("start"); let year = Number(start.lastElementChild.innerHTML) + 1; var myOption = document.createElement("option"); myOption.innerHTML = year; start.appendChild(myOption); } } chooseYear1(); function chooseYear2() { //如果你想让起始年份下拉框和结束年份下拉框都显示从1949至今的年份,那么写同样的循环即可: let end = Number($("#start").find("option:selected").val()); let start = document.getElementById("end"); start.firstElementChild.innerHTML=end; var myOption = document.createElement("option"); for (let i = end; i<=y; i ++) { let start = document.getElementById("end"); let year = Number(start.lastElementChild.innerHTML) + 1; var myOption = document.createElement("option"); myOption.innerHTML = year; start.appendChild(myOption); } } </script></body></html> |
只显示年份的下拉框效果：
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持服务器之家。
原文链接：https://blog.csdn.net/weixin_42952297/article/details/111567326
