The HTML DOM Input Radio form property is used for returning the form reference that contains the given input radio button. If the radio button is outside the form then it will simply return NULL. This property is read-only.SyntaxFollowing is the syntax for input radio form property −radioObject.formExampleLet us look ... Read More

The HTML DOM input radio autofocus property is associated with the HTML element’s autofocus attribute. This property is used for setting or returning whether the input radio button automatically be focused when the page loads or not.SyntaxFollowing is the syntax for −Setting the autofocus property.radioObject.autofocus = true|falseHere, true represents ... Read More

The borderImage property is used for setting or getting the border image of an element. It is a shorthand property, so that we can manipulate borderImageSource, borderImageSlice, borderImageWidth, borderImageOutset and borderImageRepeat properties at one go.SyntaxFollowing is the syntax for −Setting the borderImage property −object.style.borderImage = "source slice width outset repeat|initial|inherit"ValuesThe ... Read More

For this, you can use LAST_INSERT_ID(). Let us first create a table −mysql> create table DemoTable    (    UserId int(6) unsigned zerofill NOT NULL AUTO_INCREMENT,    UserAutoIncrement char(100) default null,    PRIMARY KEY(UserId)    ); Query OK, 0 rows affected (0.72 sec)Insert some records in the table using insert ... Read More

The HTML DOM Geolocation coordinates property is used for getting a user’s device position and altitude on earth. The user have to approve that he wants to give coordinates before this property could work. This is done so that a user’s privacy isn’t compromised. This can be used for tracking ... Read More

The HTML DOM fullscreenEnabled() method is used for specifying if the fullscreen mode is available or not for the current document. Its return type is boolean and is a read-only property. True is returned if the fullscreen mode is available otherwise it returns false. Different prefixes are used to make ... Read More

The HTML DOM Form target property is used for specifiying where the response should be displayed after the form data has been submitted. It could display in a new tab, current tab or a new window. The form target property set or gets the target attribute value.SyntaxFollowing is the syntax ... Read More

The HTML DOM Storage removeItem() method is used for removing a storage object item by passing a given key name.SyntaxFollowing is the syntax for Storage removeItem() method −localStorage.removeItem(keyname);ORsessionStorage.removeItem(keyname);Here, keyname is of type string and represents the name of the item to be removed.ExampleLet us look at the example for the ... Read More

The HTML DOM Storage key() method is used for returning the key name at a given index in a storage object. The index is passed as a parameter to key() method. The storage object can be a session object or localStorage object.SyntaxFollowing is the syntax for −Storage key() method using ... Read More

The HTML DOM storage event triggers when there has been a change in the storage area of the window. The storage event is triggered only if the other window makes the storage area change for a window. This event doesn’t bubble and is cancellable too.SyntaxFollowing is the syntax for −window.addEventListener("storage", ... Read More