<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>Title</title> <script type="text/javascript" src="../js/jquery-3.2.1.min.js"></script> <script type="text/javascript"> $(function () { var $select = $("#slt"); var id = new Array(1, 2, 3); var val = new Array("北京", "天津", "上海"); for (var i = 0; i < id.length; i++) { $select.append("<option value=" + id[i] + ">" + val[i] + "</option>"); } //通过下拉列表中option的value值来进行默认选中 //$select.find("option[value=3]").attr("selected",true); //通过下拉列表中包含的文本内容来进行默认选中 $select.find("option:contains(‘上海‘)").attr("selected", true); }) </script></head><body><select id="slt"> <option value="0"></option></select></body></html>
原文地址:https://www.cnblogs.com/kukai/p/10958814.html
时间: 2024-10-17 21:03:45