HTML DOM Local Storage clear() method


The HTML DOM Local Storage clear() method is used for clearing the whole local storage entries.

Syntax

Following is the syntax −

localStorage.clear()

Or

sessionStorage.clear()

Example

Let us see an example for LocalStorage() method property −

 Live Demo

<!DOCTYPE html>
<html>
<head>
<title>LocalStorage clear()</title>
<style>
   form {
      width:70%;
      margin: 0 auto;
      text-align: center;
   }
   * {
      padding: 2px;
      margin:5px;
   }
   input[type="button"] {
      border-radius: 10px;
   }
   table,th,td {
      border:1px solid black;
      border-collapse: collapse;
      margin: 0 auto;
   }
</style>
</head>
<body>
<form>
<fieldset>
<legend>LocalStorage clear( )</legend>
<table>
<tr>
<th>Key</th>
<th>Value</th>
</tr>
<tr>
<td>PassKey</td>
<td>ja12ertplo</td>
</tr>
</table>
<input type="button" value="Store Key" onclick="storeData()">
<input type="button" value="Delete Key" onclick="clearData()">
<div id="divDisplay"></div>
</fieldset>
</form>
<script>
   var divDisplay = document.getElementById("divDisplay");
   var extStyle = document.getElementById("extStyle");
   function clearData(){
      localStorage.clear();
      divDisplay.textContent = 'Succesfully Deleted';
   }
   function storeData(){
      localStorage.setItem('PassKey','ja12ertplo');
      divDisplay.textContent = 'Succesfully Stored';
   }
</script>
</body>
</html>

Output

This will produce the following output −

After clicking ‘Store Key’ button −

After clicking ‘Delete Key’ button −

Updated on: 30-Jul-2019

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