本地存储

存储读取

// 存储
localStorage.setItem("lastname", "Gates");
// 取回
document.getElementById("result").innerHTML = localStorage.getItem("lastname");

遍历：

//遍历本地存储localStorage
        for (var i = 0; i < localStorage.length; i++) {
            var key = localStorage.key(i); //获取本地存储的Key
            console.log(key);
            console.log(localStorage.getItem(key));//所有value
            console.log("---------------------------------");
        }