The input value is automatically validated to ensure that it's either empty or a properly-formatted URL before the form can be submitted. The HTML type attribute is used to specify the type of element to display. Assessment: Structuring a page of content, From object to iframe other embedding technologies, HTML table advanced features and accessibility, Allowing cross-origin use of images and canvas, Adjusting the image's position and scaling algorithm, Positioning and sizing the image within the. How do you get an image inside a text box? The string must be the name of a browsing context (that is, a tab, window, or