multiple line string in jquery
add `your multi line string`
$("#addSelect").click(function() {
$("#optionsForm").after(`<tr>
<td><input type="text" class="optionField" value="Options" /></td>
<td>
<ul class="option">
<li><select><option>Value..</option></select></li>
</ul>
</td>
</tr>`);
} );