JavaScript window.localStorage Property
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JavaScript window.localStorage Property
The window.localStorage property allows you to access and save data (key/value pairs) in a web browser.
Note: The key points for window.localStorage property as follows
- Unlike sessionStorage, the data stored in
localStoragehas no expiration time, i.e., the data will NOT be deleted when the browser is closed, and will be available the next day, week, or year. - The keys and values are always strings.
Example
HTML Online Editor
<!DOCTYPE html>
<html>
<body>
<script>
var len = window.localStorage.length;
var txt = "The local storage length is " +len;
document.write(txt);
</script>
</body>
</html>
Syntax
window.localStorage
Save and Access Local Storage
Example
HTML Online Editor
<!DOCTYPE html>
<html>
<body>
<p id="point"></p>
<script>
var x = document.getElementById("point");
// Adding one data to local storage
if(typeof(Storage) !== "undefined") {
localStorage.setItem("website", "wikimass.com");
x.innerHTML = localStorage.getItem("website");
}
else{
x.innerHTML = "Sorry, your browser does not support Web Storage";
}
// check local storage length
var len = window.localStorage.length;
var txt = "The local storage length is " +len;
document.write(txt);
</script>
</body>
</html>
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