The shiftkey mouse event property is used to show whether SHIFT key is pressed or not when mouse button is clicked.ExampleYou can try to run the following code to learn how to implement shiftKey Mouse event in JavaScript.           Press and hold SHIFT key and then ... Read More

HTML5 Geolocation API lets you share your location with your favorite websites. A JavaScript can capture your latitude and longitude and can be sent to backend web server and do fancy location-aware things like finding local businesses or showing your location on a map.The geolocation APIs work with a new ... Read More

The height and width attribute in HTML is used to specify the height and width of the element. The values are set in px i.e. pixels.The height and width attribute is used in the following HTML elements:S. NoElementsAttributeAttribute1 elementheightwidth2 elementheightwidth3 elementheightwidth4 elementheightwidth5 elementheightwidth6 elementheightwidth7 elementheightwidthTo add an image in an ... Read More

Use the hreflang attribute to set the language of the linked document in HTML.ExampleYou can try to run the following code to implement the hreflang attribute −           HTML hreflang attribute               Database Tutorial:       DBMS    

When an element is being dragged and dropped in HTML, the ondragover attribute fires.ExampleYou can try to run the following code to implement the ondragover attribute −                    .drag {             float: left;     ... Read More

Use the defer attribute to execute the script when the page has finished parsing in HTML.Firstly, add a js file.Let us give it a name,  new.js, function sayHello() {    alert("Hello World") }ExampleLet’s add the HTML code now and execute the above script −             ... Read More

The Local Storage is designed for storage that spans multiple windows and lasts beyond the current session. In particular, Web applications may wish to store megabytes of user data, such as entire user-authored documents or a user's mailbox, on the client side for performance reasons.HTML5 localStorage saves string data in ... Read More

Variables, methods, and constructors, which are declared protected in a superclass can be accessed only by the subclasses in other package or any class within the package of the protected members' class.The protected access modifier cannot be applied to class and interfaces. Methods, fields can be declared protected, however methods ... Read More

It is because inserting an empty string means that we are inserting some value and not NULL. The empty string apparently maps to zero as an integer. In other words, we can say that by inserting empty string we are providing a value to MySQL that has integer representation as ... Read More

Let us look at an example where you MIGHT be able to access a local variable's memory outside its scope.Example#include int* foo() {    int x = 3;    return &x; } int main() {    int* address = foo();    cout