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JavaScript event listeners help developers run code when specific events happen. The onmouseover event listener runs code when a user's mouse pointer enters an element. The onmouseout event listener runs code when the mouse pointer leaves that element. These events can be added to HTML elements to make very interactive web pages.
Fires when the mouse wheel is moved, causing the content to scroll. Yes Yes dragdrop ondragdrop Fires when the user releases the mouse button to drop an object being dragged. No No dragenter ondragenter Fires when the mouse pointer first moves over an element during a drag. It is similar to the mouseover event but occurs while dragging. No No ...
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Pages for logged out editors learn more. Contributions; Talk; Mouse hover
A Hoverbox used by Wikipedia to preview linked articles. A hoverbox (also called a hover box, hovercard or hover card) is a popup window that is neither a tooltip nor a traditional popup, but is a popup that appears when the mouse is placed over an icon on the screen for a short period of time, without clicking.
Unobtrusive JavaScript is a general approach to the use of client-side JavaScript in web pages so that if JavaScript features are partially or fully absent in a user's web browser, then the user notices as little as possible any lack of the web page's JavaScript functionality. [1]
To demonstrate specificity Inheritance Inheritance is a key feature in CSS; it relies on the ancestor-descendant relationship to operate. Inheritance is the mechanism by which properties are applied not only to a specified element but also to its descendants. Inheritance relies on the document tree, which is the hierarchy of XHTML elements in a page based on nesting. Descendant elements may ...
JavaScript was released by Netscape Communications in 1995 within Netscape Navigator 2.0. Netscape's competitor, Microsoft, released Internet Explorer 3.0 the following year with a reimplementation of JavaScript called JScript. JavaScript and JScript let web developers create web pages with client-side interactivity.