HTML5本地存储实例页面

HTML代码：

<ul id="edit" contenteditable="true">
    <li>修改我吧，然后刷新页面看看，^_^</li>
</ul>

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");	
}