用localStorage记住账号

<div class="uba b-gra umar-b uc-a1 ">
     <div class="ub uinnm9 bc-border ubb">
          <div class="ub ub-ac ub-f1 ">
              <div class=" uinput ub ub-f1 ">
                    <div class="umhw resuser ub-img umar-l"></div>
                    <div class="ub-f1 my-fontC">
                         <input placeholder="用户名" id="uid"  value="" type="text" style="color:white;"/>
                    </div>
              </div>
　　　　　　</div>
      </div>
　　　 <div style="100%;">
            <div style="margin:1em auto;60%;">
                  <input type="checkbox" style="3em;height:3em;" id="remem">
                  <label style="font-size:1em;line-height:1em;">记住账号</label>
              </div>
      </div>
</div>

　　js代码为:

var check = document.getElementById("remem");
var user = document.getElementById("uid");
var loUser = appcan.locStorage.getVal("user");
var isStoreUser = appcan.locStorage.getVal("isStoreUser");    
if(appcan.locStorage.getVal('user')==""||appcan.locStorage.getVal('user')==null){
     $("#remem").removeAttr("checked");
}else{
     $("#remem").attr("checked",true);
}
if(isStoreUser=="yes"){
    user.value = loUser;
}    
$("#remem").change(function(){
     if($("#remem")[0].checked==true){
         appcan.locStorage.setVal("user",user.value);
         appcan.locStorage.setVal("isStoreUser","yes");
     }else{
         appcan.locStorage.setVal("isStoreUser","no");
     }
 });