what is the difference between html id and class?
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The difference between an ID and a class is that an ID can be used to identify one element, whereas a class can be used to identify more than one. You can also apply a selector to a specific HTML element by simply stating the HTML selector first, so p.
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The main difference between classes and modules is that classes can be instantiated as objects while standard modules cannot. ... In contrast, object data exists separately for each instantiated object. Another difference is that unlike standard modules, classes can implement interfaces.
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A DOM element represents a visual or functional element on the page which was created from the original HTML document. ... A jQuery object is a convenience wrapper around a DOM element in Javascript which is a method to manipulate the DOM which is a representation of the page which was created from an HTML file.
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android:id. Resource ID. A unique resource name for the element, which you can use to obtain a reference to the ViewGroup from your application. See more about the value for android:id below.
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In the HTML DOM, the Attr object represents an HTML attribute. An HTML attribute always belongs to an HTML element.
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The Id property is assigned to the value attribute and the Name property is set as inner HTML for the option element. In order to set an option as selected, you will need to use the ng-selected directive and assign it a Boolean expression.
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The browser loads the HTML (e.g. receives it from the network). It converts the HTML into a DOM (Document Object Model). ... The browser parses the fetched CSS, and sorts the different rules by their selector types into different "buckets", e.g. element, class, ID, and so on.
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Both <button type="submit"> and <input type="submit"> display as buttons and cause the form data to be submitted to the server. The difference is that <button> can have content, whereas <input> cannot (it is a null element).
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The ID is visible in the URL of every single post or page when you edit a piece of content in your WordPress dashboard. ... Then, when you see the WordPress Editor, look for the number in the actual URL of the page you're on. For posts and pages, you should see post=NUMBER.
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['Identifier.', 'Id.', 'Name.', 'Link.', 'DOM.', 'XPath.', 'CSS.', 'UI-element.']
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A class is a blueprint from which you can create the instance, i.e., objects. An object is the instance of the class, which helps programmers to use variables and methods from inside the class. A class is used to bind data as well as methods together as a single unit. Object acts like a variable of the class.
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The difference is that with the web page option, a whole bunch of custom Word style elements are stored inside the HTML document. When you choose the filtered option, those elements will be removed.
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['a line containing HTML version information,', 'a declarative header section (delimited by the HEAD element),', "a body, which contains the document's actual content. The body may be implemented by the BODY element or the FRAMESET element."]
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Technically, an HTML element is the collection of start tag, its attributes, an end tag and everything in between. On the other hand an HTML tag (either opening or closing) is used to mark the start or end of an element, as you can see in the above illustration.
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The CSS id Selector The id selector uses the id attribute of an HTML element to select a specific element. The id of an element is unique within a page, so the id selector is used to select one unique element! To select an element with a specific id, write a hash (#) character, followed by the id of the element.
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['First make hidden input or hidden HTML tag and add the current page id in it by id of the element: c_pageid and the value get_the_ID();', 'In your jQuery file you can get this value by id like var pageId=$("#c_pageid"). val();']
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['document. ... ', 'Document is one of DOM objects and it represents the page.']