DeviceStorage.freeSpace()

Summary

The freeSpace method is used to get the amount of free space usable by the storage area.

The request's result is a number representing the amount of free space expressed in Bytes.

Syntax

var instanceOfDOMRequest = instanceOfDeviceStorage.freeSpace();

Returns

It returns a DOMRequest object to handle the success or error of the operation.

Example

var sdcard = navigator.getDeviceStorage("sdcard");

var request = sdcard.freeSpace();

request.onsuccess = function () {

// The result is expressed in bytes, let's turn it into Gigabytes

var size = this.result / Math.pow(10,9);

console.log("You have " + size.toFixed(2) + "GB of free space on your SDCard.");

}

request.onerror = function () {

console.warn("Unable to get the free space available for the SDCard: " + this.error);

}