61,129
社区成员




<!DOCTYPE html>
<html>
<head>
<meta charset = "utf-8" />
<title>LocalStorage </title>
<script type="text/javascript" src="jquery-1.7.1.min.js"></script>
<script type="text/javascript">
var db = window.localStorage;
if(db)
{
if(window.addEventListener)
{
window.addEventListener("db",displayStorageEvent);
console.log('设置监听');
}
}
function displayStorageEvent(e)
{
console.log('进入事件处理');
console.log('改变的字段是'+e.key);
console.log('旧的值是'+e.oldValue);
console.log('新的值是'+e.newValue);
}
function setdata()
{
if(db)
{
db.setItem('author', $("#author").val());
}
}
function showStorage()
{
var s ='';
for(var i=0;i<db.length;i++)
{
s = s + db.key(i)+ " : " + db.getItem(db.key(i)) + "<br>"
}
$("#data")[0].innerHTML = s;
}
</script>
</head>
<body>
<input type="button" value="显示存储数据" onclick="showStorage()"/>
<form id ="info">
<label for="author">作者:</label>
<input type="text" name="author" id="author" />
<br/>
<input type="button" value="设置LocalStorage" onclick="setdata()"/>
</form>
<P id="data"></P>
</body>
</html>