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The localStorage object stores the data with no expiration date. The data will not be deleted when the browser is closed, and will be available the next day, week, or year. |
<script>
// Store
localStorage.setItem("lastname", "Smith");
// Retrieve
document.getElementById("result").innerHTML = localStorage.getItem("lastname");
</script>
// Store
localStorage.lastname = "Smith";
// Retrieve
document.getElementById("result").innerHTML = localStorage.lastname;
<script>
localStorage.removeItem("lastname");
</script>
Note: Name/value pairs are always stored as strings. Remember to convert them to another format when needed!
The following example counts the number of times a user has clicked a button. In this code the value string is converted to a number to be able to increase the counter:
<script>
if (localStorage.clickcount) {
localStorage.clickcount = Number(localStorage.clickcount) + 1;
} else {
localStorage.clickcount = 1;
}
document.getElementById("result").innerHTML = "You have clicked the button " +
localStorage.clickcount + " time(s).";
</script>
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Example explained: localStorage Object | HTML Web Storage API |
The example above could also be written like this: | HTML Web Storage API |
The syntax for removing the 'lastname' localStorage item is as follows: | HTML Web Storage API |
Read Full: | HTML Web Storage API |
Category: | Web Tutorial |
Sub Category: | HTML Web Storage API |
Uploaded: | 1 year ago |
Uploaded by: | Admin |
Views: | 49 |
Reffered: https://www.w3schools.com/html/html5_webstorage.asp