In this code wht is alt=" "/>

Question

<img src="tree.jpg"
height="500px"
width="500px" alt=""/>

and in above code why there is free space between "" in alt=" "/>

Answer 1

Alt - alternative text. It is used for showing text if an image is not available. You can put there any text, even a space.
https://www.sololearn.com/discuss/221017/?ref=app

Answer 2

please explain it I am confused

Answer 3

thanks got it

Answer 4

If an image fails to load for whatever reason, whatever is in the alt attribute gets displayed in the missing image box by the browser.