Storage.getItem()
The getItem() method of the Storage
interface, when passed a key name, will return that key's value, or null if
the key does not exist, in the given Storage object.
Syntax
var aValue = storage.getItem(keyName);
Parameters
keyName-
A
DOMStringcontaining the name of the key you want to retrieve the value of.
Return value
A DOMString containing the value of the key. If the key does not exist,
null is returned.
Example
The following function retrieves three data items from local storage, then uses them to set custom styles on a page.
function setStyles() {
var currentColor = localStorage.getItem('bgcolor');
var currentFont = localStorage.getItem('font');
var currentImage = localStorage.getItem('image');
document.getElementById('bgcolor').value = currentColor;
document.getElementById('font').value = currentFont;
document.getElementById('image').value = currentImage;
htmlElem.style.backgroundColor = '#' + currentColor;
pElem.style.fontFamily = currentFont;
imgElem.setAttribute('src', currentImage);
}
Note: To see this used within a real world example, see our Web Storage Demo.
Specifications
| Specification |
|---|
| HTML Standard # dom-storage-getitem-dev |
Browser compatibility
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