windows10 microsoft edge浏览器 input搜索历史记录没有下拉

    <div class="search">
        <form name="dataForm"  target="_blank"
              accept-charset="utf-8" onsubmit="document.charset=‘utf-8‘;">
            <input name="siteID" value="3" type="hidden">
            <input class="notxt" value="" name="query" type="text" id="keywords"
                   onFocus="if(value==defaultValue){value=‘‘;}" onBlur="if(!value){value=defaultValue;}"
                   onclick="if(this.value==‘站内搜索‘){this.value=‘‘;this.form.keywords.style.color=‘#3c98cc‘}">
            <input class="notxt1" name="Submit" type="submit" value=""/>
        </form>
    </div>