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alt is an attribute of the <img> element.

If you've already got <img scr="path_to_your_image.jpg> just add the following before the >

alt="description_of_your_image"

this alt text will be displayed when, for some reason, the image is not displayed.

To be 'valid' in the eyes of w3.org all <img>s must contain an alt.

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14y ago

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