HTML Ref Event Attributes
Ref Event Attributes – What are they?
This article discuses about Ref event attributes . Whenever a user clicks on an element, for example, a JavaScript can be launched in the browser because of an event that was activated in HTML.
You can come back to our forthcoming JavaScript tutorial afterwards to learn further about programming events.
The following is a list of global event attributes that may be assigned to elements of HTML in order to define event actions.
Table Of Content-
Ref Event Attributes Uses
Some common uses of Ref Event Attributes include:
- Error handling: When an error occurs in your application, you can use Ref Event Attributes to retrieve information about the error, such as the error message, error code, and stack trace. This information can be used to diagnose and debug the issue.
- Logging: Ref Event Attributes can be used to log information about events as they occur. This can include details such as the time the event occurred, the user who triggered the event, and any relevant data associated with the event.
- Analytics: Ref Event Attributes can be used to capture data about events that occur in your application. This data can be used to analyze user behavior, identify patterns, and make data-driven decisions.
- Event routing: Ref Event Attributes can be used to route events to specific destinations based on their attributes. For example, you might route events with a certain attribute to a specific function or service for processing.
Event Attributes of Window
Events which are launched for the window object (refers to the body <tag>) Here are some illustrations of Ref event attributes:
| Attribute | Value | Overview |
|---|---|---|
| onmessage | script | Script to be executed once the message is initiated. |
| onpagehide | script | script that will be executed when a user leaves a page. |
| onpageshow | script | When a user visits a page, the script should be executed. |
| onstorage | script | Implicit the script whenever a Web Storage repository is modified. |
| onunload | script | Occurs after a page has finished loading(or you closed your browser window) |
| onerror | script | Script to be executed in the event of an error. |
| onhashchange | script | Script to execute when the anchor portion of a URL has been modified. |
| onafterprint | script | Execute the script once the printing of the document is done. |
| onbeforeunload | script | Once the document is set to be emptied, execute this script in Ref event attributes. |
| onbeforeprint | script | Script to be Executed Prior to Printing of the Document. |
| onpopstate | script | The script to be executed whenever the window’s history is modified. |
| onresize | script | Triggered whenever the browser’s window is updated |
| onoffline | script | The script to be executed whenever the browser work in the offline mode. |
| ononline | script | Script should be executed when the browser begins to function online. |
| onload | script | occurs after page load completion. |
Form Events
Whenever we refer to Ref event attributes, Events generated by actions within an HTML form (applies to nearly all HTML elements, but is most commonly utilized in form elements):
| Attribute | Value | Overview |
|---|---|---|
| onfocus | script | Triggers when the element receives focus. |
| oninput | script | Script to be executed when an element receives user input. |
| onchange | script | Triggers the instance whenever the value of the element in Ref event attributes changes. |
| onsearch | script | When the user enters text into a search field (for <input=”search”>), this event is triggered. |
| onreset | script | Whenever the form’s Reset button is pushed, this event occurs. |
| onselect | script | Triggered when an element’s text has been chosen as it comes to Ref event attributes. |
| onsubmit | script | Event that occurs upon form submission. |
| onblur | script | Activates as soon as the element’s emphasis shifts away from it. |
| oninvalid | script | Execute the script whenever an element is incorrect. |
| oncontextmenu | script | Script to be executed whenever a context menu is activated. |
Keyboard Events
Keyboard events are a key component of interactivity on the web, allowing users to interact with web pages and applications through the use of their keyboards.
| Attribute | Value | Overview |
|---|---|---|
| onkeypress | script | Activates whenever the user presses a button. |
| onkeyup | script | Takes effect whenever a user releases a button. |
| onkeydown | script | Triggered by a key press event. |
Mouse Events
Mouse events are a crucial aspect of interactivity on the web, allowing users to interact with web pages and applications using a mouse or other pointing device.
| Attribute | Value | Overview |
|---|---|---|
| onmousewheel | script | Dismissed. Replace it with the onwheel attribute. |
| onmouseup | script | Reacts once the mouse button is released when over a target. |
| onmouseout | script | Activates when the mouse cursor leaves an element. |
| onclick | script | Clicking the element referenced by the Ref event attributes causes it to trigger. |
| onmouseover | script | Triggered whenever the mouse is placed over an element in Ref event attributes. |
| ondblclick | script | Triggers with a double-click of the mouse on element. |
| onmousedown | script | Whenever a cursor button is clicked on an element, this function is called. |
| onwheel | script | Event that occurs when the mouse wheel is rolled up or down over a given element. |
| onmousemove | script | Whenever the mouse cursor is moved while over an element, this event is triggered. |
Drag Events
Drag events are an important aspect of user interaction in many web applications, allowing users to drag and drop items or elements on a web page.
| Attribute | Value | Overview |
|---|---|---|
| ondragover | script | Script to be executed if a dragged element is set to drop in a valid location. |
| ondrag | script | Execute the script whenever an element is dragged. |
| ondragend | script | Final script to be executed after a drag function. |
| ondragstart | script | Script should be executed before any dragging may occur in Ref event attributes. |
| ondrop | script | The script to be executed when an element is dropped after being dragged. |
| onscroll | script | Whenever an element’s scrollbar is scrolled, this script should execute. |
| ondragenter | script | When an item is dropped at a proper location, this script will be executed. |
| ondragleave | script | If an item drops out of a valid target, this script will be executed. |
Clipboard Events
Clipboard events are an important aspect of user interaction in many web applications, allowing users to copy and paste content between web pages and other applications.
| Attribute | Value | Overview |
|---|---|---|
| oncopy | script | Whenever a user copies an element’s content, it explodes. |
| oncut | script | Activates when a user performs a cut operation on a certain element. |
| onpaste | script | Triggered by the user’s action of pasting content into a target element. |
Media Events
Media-related events, such as those caused by audio, video, and images (applicable to all HTML elements, but most frequently found in media elements like audio>, embed>, image>, object>, and video>) in Ref event attributes.
Tip : For further details, see our HTML Audio and Video DOM Reference.
| Attribute | Value | Overview |
|---|---|---|
| oncanplaythrough | script | If a file can be played through to the finish without stop for buffering, a script should be executed. |
| onabort | script | Execute the script upon abort. |
| oncanplay | script | script that will be executed when a file is prepared to play(After it has sufficiently buffered to start) |
| oncuechange | script | Script that will be executed whenever there is a change in the cue in a <track> element. |
| ondurationchange | script | script should be executed when the media’s duration changes. |
| onemptied | script | Script should be executed when a negative event causes the file to become suddenly inaccessible(such as accidental shutdowns) |
| onended | script | Once the media is finished, execute the script(a beneficial occasion for saying things like “thanks for hearing”) |
| onerror | script | Script that should be executed if the loading of the file encounters a problem. |
| onloadeddata | script | This is a script to be executed once media data is loaded. |
| onloadedmetadata | script | After the meta data is loaded (dimensions and duration), execute the script. |
| onloadstart | script | Before anything else is loaded, execute this script as soon as the file begins to load. |
| onstalled | script | If the browser cannot retrieve the media data for any cause, execute this script. |
| onprogress | script | The script will be executed when the browser is getting media data from the server. |
| onpause | script | Whenever the media is stopped either by hand or on its own, execute the script. |
| onplay | script | Execute this script when the media is able to begin playing. |
| onplaying | script | The script should be executed once the media has begun running. |
| onseeking | script | Execute this script when the seek attribute is set to true, showing that seeking is in progress. |
| onsuspend | script | In case retrieval of the media data is interrupted before it has been fully loaded, execute the script. |
| ontimeupdate | script | Whenever the playback position changes (when a user fast forwards to a different point), execute this script. |
| onvolumechange | script | Every time the volume is changed, the script should be invoked (including setting the volume to be muted). |
| onwaiting | script | In the case that the media has paused, but is intended to resume (such as buffering more data), this script should be executed. |
| onratechange | script | Each time the playback rate changes (such as when the user switches to slo-mo or quick-forward), the script should be executed. |
| onseeked | script | Script to be executed after the seeking attribute has been set to false meaning that seeking is no longer required. |
Misc Events
| Attribute | Value | Overview |
|---|---|---|
| ontoggle | script | Activates as soon as the user opens or closes the <details> element. |
HTML Ref Event Attributes Advantages
HTML Ref Event Attributes have various benefits that make them a useful tool for you. These advantages include:
- Ease of Use : Ref event attributes simplify the process of adding interactivity to web pages, allowing developers to add event listeners to HTML elements without writing additional JavaScript code. This makes it faster and easier to create interactive features.
- Clearer Code Structure : Ref event attributes help to organize code by keeping the event handling logic within the HTML element itself. This is particularly useful for larger web pages that have multiple event listeners, making it easier to understand and maintain the code.
- Better Accessibility: By associating the event handling logic directly with the HTML element, ref event attributes improve the accessibility of web pages. This makes it easier for assistive technologies to identify and navigate interactive elements, benefiting users who rely on screen readers or other assistive technologies.
- Faster Development Time: Ref event attributes can help to reduce development time by simplifying the process of adding interactivity to web pages. This allows you to focus on other aspects of the project, such as layout and design, without having to worry about complex event handling code.
- Better Performance: Using ref event attributes to attach event listeners directly to the DOM element can lead to better performance on large web pages with many interactive elements. This is because it eliminates the need to use JavaScript to search for and attach event listeners, resulting in faster and more efficient code.
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