例子

     
    
      
修改我吧，然后刷新页面看看，^_^
     
JS代码：var edit = document.getElementById("edit");edit.onblur = function(){    localStorage.setItem("tododata", this.innerHTML);};if(localStorage.getItem("tododata")){    edit.innerHTML = localStorage.getItem("tododata");    }

 

 

var TOKEN_KEY = "jwtToken";

 

//取值

 function getJwtToken() {

        return localStorage.getItem(TOKEN_KEY);

    }

//保存

    function setJwtToken(token) {

        localStorage.setItem(TOKEN_KEY, token);

    }

//删除

    function removeJwtToken() {

        localStorage.removeItem(TOKEN_KEY);

    }

 

 

 

参考下:https://www.cnblogs.com/st-leslie/p/5617130.html