Unrestricted heading for a spreadsheet

My goal is to create a table with a leftmost header column that has no border, but is still part of the table.

In my attempt to achieve this, I used the following HTML code:

<table class="my-table" style="border-left: 0">
    <tr>
        <td style="border-left: 0;border-top: 0; border-bottom: 0">x</td>
        <td>1</td>
        <td>2</td>
        <td>3</td>
    </tr>
    <tr>
        <td style="border-left: 0;border-top: 0; border-bottom: 0">f(x)</td>
        <td>1</td>
        <td>4</td>
        <td>9</td>
    </tr>
</table>

I also included the following CSS:

table.my-table {
    border-collapse: collapse;
    border: 1px solid grey;
}
table.my-table td {
    border: 1px solid grey;
    padding: 0 0.5em;
    text-align: center;
}

Although I provided the above code, the upper and lower borders for column 1 are still appearing as shown here: https://i.sstatic.net/CETVY.png

I am aware that I can use two tables with absolute sizes as a workaround, but I am wondering if there is a more elegant solution using just one table?

htmlcss

Answer №2

To remove the border from the table, you can simply set the property border-collapse: collapse; for table.my-table. This will ensure that the border wraps around all sides of the td elements inside the table, eliminating the need to manually apply borders to the table itself.

table.my-table {
    border-collapse: collapse;
}


table.my-table {
  border-collapse: collapse;
}
table.my-table td {
  border: 1px solid grey;
  padding: 0 0.5em;
  text-align: center;
}
<table class="my-table" style="border-left: 0">
  <tr>
    <td style="border-left: 0;border-top: 0; border-bottom: 0">x</td>
    <td>1</td>
    <td>2</td>
    <td>3</td>
  </tr>
  <tr>
    <td style="border-left: 0;border-top: 0; border-bottom: 0">f(x)</td>
    <td>1</td>
    <td>4</td>
    <td>9</td>
  </tr>
</table>

Answer №3

<table class="my-table" style="border:none;">
<tr>
    <td style="border:none;">x</td>
    <td>1</td>
    <td>2</td>
    <td>3</td>
</tr>
<tr>
    <td style="border:none;">f(x)</td>
    <td>1</td>
    <td>4</td>
    <td>9</td>
</tr>

To update your HTML, simply eliminate the borders from td elements. For a borderless table, follow the same steps as removing the borders for td.

Explore this Jsfiddle link

Answer №4

CSS

table.my-table {
 border-collapse: collapse;
}
table.my-table td {
 border: 1px solid grey;
 padding: 0 0.5em;
 text-align: center;
}
tr > :first-child{
 border:none !important;
}

HTML

<table class="my-table">
 <tr>
    <td>x</td>
    <td>1</td>
    <td>2</td>
    <td>3</td>
 </tr>
 <tr>
    <td>f(x)</td>
    <td>1</td>
    <td>4</td>
    <td>9</td>
 </tr>
</table>

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