함수안에 변수를 사용하는법 질문합니다.

</p><p><script></p><p> function returnUrlParams() {</p><p>             var array = [], hash;</p><p><span class="Apple-tab-span" style="white-space:pre">				</span></p><p>             //직접가져오기</p><p>             //var url = "<a href="<a href="http://goddfs?idx=233&name=goddfs" target="_blank" rel="noopener noreferrer">http://goddfs?idx=233&name=goddfs</a>"><a href="http://goddfs?idx=233&name=goddfs" target="_blank" rel="noopener noreferrer">http://goddfs?idx=233&name=goddfs</a></a>";</p><p>             //var url_Address = url.slice(url.indexOf('?') + 1).split('&');</p><p> </p><p>             //URL 에서 가져오기</p><p>             var url_Address = window.location.href.slice(window.location.href.indexOf('?') + 1).split('&');</p><p><span class="Apple-tab-span" style="white-space:pre">			</span> var $id;</p><p>             for (var i = 0; i < url_Address.length; i++) {</p><p>                 hash = url_Address[i].split('id=');</p><p>                 array.push(hash[1]);</p><p>                 //console.log(hash);</p><p><span class="Apple-tab-span" style="white-space:pre">				</span>}</p><p> </p><p><span class="Apple-tab-span" style="white-space:pre">			</span> <span class="Apple-tab-span" style="white-space:pre">		</span>$id=hash[1];</p><p><span class="Apple-tab-span" style="white-space:pre">					</span>alert($id);</p><p>             return array;</p><p>         }</p><p>/* </p><p>window.onload=returnUrlParams;</p><p></script> </p><p> </p><p>