The HTMLTableElement.rules property represents which cell borders to render in the table.
Syntax
HTMLTableElement.rules = rules; var rules = HTMLTableElement.rules;
Parameters
rulesis a string with one of the following values:none- no rules
groups- lines between groups only
rows- lines between rows
cols- lines between cols
all- lines between all cells
Example
// Turn on all the internal borders of a table
var t = document.getElementById("TableID");
t.rules = "all";
Specification
- W3C DOM 2 HTML Specification