JavaScript常用工具函数——模糊查询代码实现：我们在开发中经常有这样的场景，根据搜索框的输入去查询或者筛选某些

代码实现：

我们在开发中经常有这样的场景，根据搜索框的输入去查询或者筛选某些我们想要的东西，这个时候就需要用到模糊查询。

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>模糊匹配</title>
</head>
<body>
    <input type="text" />
    <button>点击搜索</button>
    <script>
        let ipt = document.querySelector("input")
        let btn = document.querySelector("button")
        const responseList = [
            {id: 1, name: "张三", sex: "男"},
            {id: 2, name: "李四" },
            {id: 3, name: "王五" },
            {id: 4, name: "张三", sex: "女"},
            {id: 2, name: "李四"},
        ]
        const search = (list, keyword, attr = 'name') => {
            const reg = new RegExp(keyword);
            const arr = []; // 接收结果
            list.forEach(item => {
                if(reg.test(item[attr])) {
                    arr.push(item);
                }
            });
            return arr;
        }
        btn.addEventListener('click', function () {
            console.log(search(responseList, ipt.value, 'name'))
        })
        
    </script>
</body>
</html>