line through text html code example

Example 1: how to strike out text in html

<strike>help</strike>

Example 2: css strikethrough html text

style="text-decoration: line-through;"

Example 3: html text content new line

//setting this css style solving problem with new line in textContent
h1.setAttribute('style', 'white-space: pre;');

//add \r\n in text everywhere You want for line-break (new line)
h1.textContent = "this is line one  \r\n and this is line 2";

Example 4: line under text html

<u> text </u>