Use the tag to add a set of frames. The HTML tag is used to divide the window into frames. Note − This tag is not supported in HTML5. Do not use. The following are the attributes− Attributes Value Description Cols Column Size Specify the number of columns and their width, you can use pixels, percentages or relative lengths. Default is 100% Rows Row size specified Number of rows and their height, in pixels, percentage, or relative length. The default is 100%. Example You can try running the following code to add a set of frames using the tag− HTML frameset Tag Your browser does not support frames.