js实现搜索历史记录功能

html代码

<input name="keywords" id="keywords" type="text" class="sso_wk" x-webkit-speech="" autofocus placeholder="请输入您要搜索产品" onkeydown="if(event.keyCode==13){SiteSearch();return false};">
<input name="" class="sso_an" type="button" onclick="SiteSearch();"><input name="keywords" id="keywords