Javascript Browser Storage length Property

Introduction

Get the number of local storage item for this domain: 

var x = localStorage.length;

Use the length property to get the number of items stored in the local storage object.

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<!DOCTYPE html>
<html>
<body>
<button onclick="myFunction()">Get the number of stored items</button>
<p id="demo"></p>

<script>

function myFunction() {/* w w  w  . j  a va 2s  .co  m*/
  var x = localStorage.length;
  document.getElementById("demo").innerHTML = x;
}

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

The length property returns the number of items stored in the browsers Storage Object for this particular domain.

The length property belongs to the Storage Object, which can be either a localStorage object or a sessionStorrage object.




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