题解 | #参数解析器#

        <script>
            const _getParams = (url) => {
                // 补全代码
                const arr=url.split('?')[1].split('&')
                let obj={}
                arr.map(keys=>{
                    const [key,val]=keys.split('=')
                    obj[key]=val
                })
                return obj
            }
        </script>