The data-src and data-srcset attributes, which are placeholder attributes containing the URL for the image you'll load once the element is in the viewport. 4.8.15.2 Processing model. The image given by the src and srcset attributes, and any previous sibling source elements' srcset attributes if the parent is a picture element, is the embedded content; the value of the alt attribute provides equivalent content for those who cannot process images or who have image loading disabled (i.e. This will return either an element (the map) or null. Often it’s not needed because the content of the caption would be no different than the alt attribute so we don’t want the information repeated. You’ll notice that the alt attribute is empty in this situation. Specifies the color of a currently active hyperlink. Images that are purely decorative should have their alt attribute set to an empty string: alt="". Only use the figure element if your image needs a caption, if you don’t need a caption, don’t use the figure. Brian Harnish July 11, 2018 7 min read. This post explains the differences between the image alt attribute, image title text, and image file name, and provides tips on how to optimize each. valign. The alt attribute allows visual content to be communicated in an alternative way when visual presentation isn't available for physical or technical reasons. The MDN documentation on ARIA contains more useful information. list. The title attribute gets a lot of flack.And largely the disdain towards the attribute is quite justified. This attribute has been declared obsolete in the HTML5 specification. It contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company interview Questions. The onclick attribute is actually fairly simple to use once you know how. A Computer Science portal for geeks. The image is a key part of the content; the alt attribute gives a textual equivalent or replacement for the image. Adding alt text to an image when writing plain HTML is a matter of adding the alt attribute to an img element. Photo by Matthew Henry from Burst.. The
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