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A brief discussion on local storage of localStorage

零下一度
零下一度Original
2017-06-24 14:38:493135browse

When we use local storage when making pages, today we will talk about localStorage local storage.

1. localStorage.name="Lao Wang"; //The first method to set up local data storage localStorage

2. localStorage.setItem("color","red "); //The second method of setting up local data storage

3, localStorage.removeItem("name"); //Delete local storage data

4, localStorage.name // Get local data
localStorage.getItem("set") //Another way to get local data

5 localStorage.key(0) //Get the sum of the values ​​in the brackets of the name of the previously saved data The arrays are the same

6, localStorage.clear() //Clear all locally stored data

7, localStorage.setItem("set1","{'name':'Xiao Li', 'age':'1314'}") //Save in json format, 1. Save the number of items 2. Easy to extract

8. var price=localStorage.getItem("set1") // Get the saved Local data
obj=eval('('+price+')') //Convert json format string to object
alert(obj.age) //Call the value

Code

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title></title>
</head>
<body>
<script>
    localStorage.name="杜人龙";
    localStorage.name="小花"; //第一种设置本地数据的方法
    localStorage.setItem("set","小菊"); //第二种设置本地数据的方法
    localStorage.setItem("set1","{&#39;name&#39;:&#39;小李&#39;,&#39;age&#39;:&#39;1314&#39;}") //保存为json格式
    localStorage.removeItem("name"); //删除本地存储数据
    alert(localStorage.name) //获取本地数据
    alert(localStorage.getItem("set"))  //另一种获取本地数据的方法

    alert(localStorage.key(0)) //获取前面保存数据的名称 括号中的数值和数组相同

    var price=localStorage.getItem("set1")
    obj=eval(&#39;(&#39;+price+&#39;)&#39;)
    alert(obj.age)
    localStorage.clear()  //清楚本地所有数据


</script>
</body>
</html>

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