ログイン名とパスワードを記憶するLocal Storage

    
    


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      storage
    

        var u = window.localStorage.getItem('user');

        var p = window.localStorage.getItem('pwd');

        if(u){

            user.value = u;
        }

        if(p){

            pwd.value = p;
        }

        btn.onclick = function(){

            if(check.checked){

                localStorage.setItem('user',user.value);

                localStorage.setItem('pwd',pwd.value);
            }

        }

        del.onclick = function(){


            localStorage.removeItem('user');

            localStorage.removeItem('pwd');

        }