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Display the source code of pasted content or of syntax highlighted text. This is mainly for testing purposes. Affects the current selection or the whole text. This button is disabled by default, see the customization examples for how to enable it by adding var wikEdShowSourceButton = true; to your settings. Scroll to preview
wikEd is a full-featured edit page text editor for regular to advanced users on Wikipedia and other MediaWikis.wikEd features syntax highlighting, reference, template, and code folding, on-page Show preview and Show changes, and advanced search and replace functions.
This enhances the overall user experience. When a user hovers over a button, the button's appearance changes. For example, the color may change, a shadow may be added, or the button may become slightly larger. This visual feedback tells the user that the button is active and ready to be clicked. This feedback is crucial for usability.
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The marquee tag is a non-standard HTML element which causes text to scroll up, down, left or right automatically. The tag was first introduced in early versions of Microsoft's Internet Explorer, and was compared to Netscape's blink element, as a proprietary non-standard extension to the HTML standard with usability problems.
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 ...
var x1 = 0; // A global variable, because it is not in any function let x2 = 0; // Also global, this time because it is not in any block function f {var z = 'foxes', r = 'birds'; // 2 local variables m = 'fish'; // global, because it wasn't declared anywhere before function child {var r = 'monkeys'; // This variable is local and does not affect the "birds" r of the parent function. z ...