The text-decoration-line CSS property specifies what line decorations, if any, are added to the element.
object.style.textDecorationLine = "value";
<'text-decoration-line'> = none | [ underline || overline || line-through || blink ]
Neither produces nor inhibits text decoration.
Each line of text is underlined.
Each line of text has a line over it.
Each line of text has a line through the middle.
The text blinks.