Javascript DOM CSS Style borderCollapse Property

Introduction

Collapse the table border:

document.getElementById("myTable").style.borderCollapse = "collapse";

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<!DOCTYPE html>
<html>
<body>

<table id="myTable" border="1">
  <caption id="myCaption">Monthly Salary</caption>
  <tr>  <th>Item</th>    <th>Savings</th>  </tr>
  <tr>  <td>CSS</td>     <td>$100</td>     </tr>
  <tr>  <td>HTML</td>    <td>$50</td>      </tr>
</table>/*w ww . j  av a 2 s .  co m*/
<br>

<button type="button" onclick="myFunction()">Collapse border</button>

<script>
function myFunction() {
  document.getElementById("myTable").style.borderCollapse = "collapse";
}
</script>

</body>
</html>

The borderCollapse property sets or gets whether the table border should be collapsed into a single border.

Property Values

Value	Description
separate	Separate borders are drawn for all table cell elements. `Default`
collapse	Borders are not drawn between table cell elements
initial	Sets this property to its default value.
inherit	Inherits this property from its parent element.

The borderCollapse property returns a String representing the borders of a table.

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