onFocus
The timer object or any object derived from a timer object. However, you can also create your own objects with a tick event. How that event is actually triggered is entirely up to you.
onMouseOver
As you may know that website's front end is usual written in HTML and are manipulated with java script. the html and javascript have something called events. when you click on a button an event is generated and usually events are triggered by javascript and some basic events are triggered with HTML. so the software that allows you to interact with webpage is the web browser and its HTML, JavaScript processing engine
Event-driven programming in JavaScript can be illustrated using an event listener for a button click. Here's a simple example: // Select the button element const button = document.getElementById('myButton'); // Define the event handler function function handleClick() { alert('Button was clicked!'); } // Attach the event listener to the button button.addEventListener('click', handleClick); In this code, when the button with the ID myButton is clicked, the handleClick function is triggered, demonstrating how events drive the flow of the program.
Whatever method is attached to the event, is executed.
A Function in JavaScript is a note to the program to group all of the actions performed in the Function clause to be referenced as the functions name, so that one does not need to copy out the function every time they want to run the group of actions.
Event handling is when an action from the user triggers a JavaScript function. An event handler is defined as the following:Click me!This will open an alert box with the message You clicked me! displayed in it when the user clicks the div element.There are many event handlers in JavaScript. Some common ones include:onclick (triggered when user clicks the element)onload (triggered when page, image, etc. loads)onfocus (triggered when element gains focus (becomes active))onblur (triggered when element loses focus)onmouseover (triggered when user's mouse pointer enters the element)onmouseout (triggered when user's mouse pointer leaves the element)onmousemove (triggered when user's mouse pointer is moved while it is on top of the element)onkeydown (triggered when user presses a key on the keyboard)onkeyup (triggered when user releases a key on the keyboard)onkeypress (triggered when user presses, then releases a key on the keyboard)I would recommend you look some of these up and find out more.Event handlers can be applied as HTML attributes as shown above, or they can be applied during JavaScript execution, as shown below.In Netscape-based browsers (Firefox, Google Chrome, etc.):var myHTMLElement=document.getElementById("myElement");myHTMLElement.onclick="You clicked me!"Or:var myHTMLElement=document.getElementById("myElement");myHTMLElement.addEventListener("click",function (){alert("You clicked me!");});Note that when using addEventListener, remove the "on" from the event name to get the first parameter. For example, "onload" becomes "load". Also, you can remove this event handler with removeEventListener using the same parameters as addEventListener.In Internet Explorer (prior to version 9):var myHTMLElement=document.getElementById("myElement");myHTMLElement.attachEvent("onclick",function (){alert("You clicked me!");});In Internet Explorer 9, you can use the method you used for Netscape-based browsers. Also, you can remove this event handler with detachEvent using the same parameters as attachEvent.I would encourage you to find out more about event handlers by searching Google.
You have not told us which event, or which revolution you are asking about.
JavaScript is a dynamic programming language that conforms to the ECMAScript specification. JavaScript is high-level, often just-in-time compiled, and multi-paradigm. It has curly-bracket syntax, dynamic typing, prototype-based object-orientation, and first-class functions.
The assasination of Archduke Franz Ferdinand
we can do this using of javascript. you can use this following code: <input type=button value="button" onClick=onclick_function()> here onclick_function() is a function which is called by javascript on clicking the button. javascript code is as follows: <script language="javascript" type="text/javascript"> // your code for onclick_function() function onclick_function(){ alert("Welcome to javascript"); } </script>
There are events that are associated with form elements. Say suppose there is a button in form. One could associate an event to it say onclick event. Now when the button is clicked, the onclick event is called or in other words onclick event is fired.From javascript code side it can be said that it only gets called on fireevent of button script