代码示例:(标识:eg_js_json_store)
<!DOCTYPE html>
<html>
<body>

<h1>通过 local storage 存储并取回数据:</h1>

<p id="demo"></p>

<script>
var myObj, myJSON, text, obj;

// 存储数据:
myObj = { "name":"Bill Gates",  "age":62, "city":"Seattle" };
myJSON = JSON.stringify(myObj);
localStorage.setItem("testJSON", myJSON);

// 取回数据:
text = localStorage.getItem("testJSON");
obj = JSON.parse(text);
document.getElementById("demo").innerHTML = obj.name;
</script>

</body>
</html>
运行结果: