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htmlGlobal attribute means that it can be applied to any HTML element. It has universal applicability and is not restricted by specific elements. It can be used on any HTML element and has the same semantics and behavior. The benefit is that they provide a common way to control and manipulate HTML elements without having to define different properties for each element. The use of global properties can improve the maintainability and reusability of code while reducing code redundancy.
# Operating system for this tutorial: Windows 10 system, Dell G3 computer.
HTML global attributes refer to attributes that can be applied to any HTML element. They have universal applicability and are not restricted to specific elements. These global attributes can be used on any HTML element and have the same semantics and behavior.
The benefit of global attributes is that they provide a common way to control and manipulate HTML elements without having to define different attributes for each element. The use of global properties can improve the maintainability and reusability of code while reducing code redundancy.
The following is an explanation of several common HTML global attributes:
class attribute: used to specify the class name of one or more elements. Class names can be used to define CSS styles, or for DOM manipulation and event handling in JavaScript.
id attribute: used to specify the unique identifier of the element. The value of the id attribute must be unique in the entire HTML document and can be used to obtain specific elements in JavaScript through the getElementById() method.
style attribute: used to specify inline style. Through the style attribute, you can directly define CSS styles in HTML elements, such as colors, fonts, backgrounds, etc.
title attribute: used to provide additional information about the element. When the mouse hovers over the element, the value of the title attribute is displayed, which is often used to provide a description or prompt information for the element.
lang attribute: used to specify the language of the element. The lang attribute can specify the default language throughout the entire HTML document, or can be used to specify a specific language on a single element.
tabindex attribute: used to specify the tab key order of elements. Through the tabindex attribute, you can control the focus order of elements when the tab key is pressed, thereby enhancing the accessibility of the page.
draggable attribute: used to define whether the element can be dragged. By setting the draggable attribute, the element can be made draggable, thereby realizing the dragging function.
hidden attribute: used to hide elements. By setting the hidden attribute, the element can be hidden so that it is not displayed on the page. It is often used to dynamically control the display and hiding of elements.
In addition to the global attributes mentioned above, there are other global attributes, such as accesskey attributes, contenteditable attributes, etc., which have universal applicability and can be applied to any HTML element.
It should be noted that global attributes only provide general attributes and do not have attributes unique to specific elements. When using global attributes, you need to have some understanding of the behavior and semantics of specific elements to ensure correct use of the attributes.
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