java下拉模糊查询_通过模拟数据，使用js在前端实现模糊查询下拉框功能实例教程...

所谓模糊查询就是通过关键字在数据中匹配到包含关键字的数据，而得出的查询结果。在实际工作中，大部分情况的模糊查询功能都是把关键字交给后台从数据库中检索再把结果返回给前端。本实例教程讲解的是在前端文本框输入关键字，显示匹配的数据列表功能。

所谓模糊查询就是通过关键字在数据中匹配到包含关键字的数据，而得出的查询结果。本实例教程讲解在前端文本框输入关键字，显示匹配的数据列表功能。

首先得准备一个文本框和显示数据列表的div元素，html代码如下所示：

还得准备一些数据，用于模糊查询的检索源，如下所示：

var aData = [ "docs help you learn and use", "Tutorials and guides include downloadable example to accelerate your projects", "These docs assume that you are already familiar with", "code can be written with just the latest JavaScript", "You can sit with us!", "to build a simple online store application", "You don't need to install anything: you'll build the app using", "You'll find many resources to complement", "We've seeded this particular app with a top bar", "Log into StackBlitz, so you can save and resume your work", "To copy a code example from this tutorial", "click the icon at the top right of the code example box", "If the StackBlitz preview pane isn't showing what you expect", "so there may be slight differences in generated code", "you'll learn about template syntax by enhancing the 'Products' area", "component you modified earlier. Let's define a route to show individual product details.", "Update the product details page to include", "Add a cart component, which displays the items you added to your cart.", "Add a shipping component, which retri.........