Tips for creating an HTML table that fills the entire width of its parent element:

One of the rows in my table contains a nested table. I want both tables to fill up 100% of the width of the parent element. How can I achieve this?

Check out the demo here

Here's the HTML code:

<div class="container">
<table>
   <tr class="row">
    row 1
   </tr>
<tr class="requestDetails row">
      <td>
            <tr class="requestDetailsHeading">
            <td>Headingname</td>

            </tr>
            <tr class="requestRow">
            <td>name</td>
            <td>date</td>
            <td>age</td>
            </tr>
    </td>
</tr>
  <tr class="row">
            <td>gg</td>
            <td>dd</td>
            <td>ee</td>
        </tr>
    </table>

Answer №1

Taking inspiration from the previous responses, it seems that there is some validity in their points, but none of them provide a complete solution.

Justinas made a crucial observation that you are not nesting tables, but rows instead. While nesting rows may work, it is no longer supported under HTML5 standards.

This implies that your current approach will not pass validation and may not display correctly on mobile devices.

To address this issue within your existing code:

<div class="container">
  <table>
    <tr class="row">
      row 1
    </tr>
    <tr class="requestDetails row">
      <td>
        <tr class="requestDetailsHeading">
          <td>Headingname</td>
        </tr>
        <tr class="requestRow">
          <td>name</td>
          <td>date</td>
          <td>age</td>
        </tr>
      </td>
    </tr>
    <tr class="row">
      <td>gg</td>
      <td>dd</td>
      <td>ee</td>
    </tr>
  </table>
</div>

To achieve your desired layout, you can set the table's style width to 100% as suggested by others and add a width:100% to the requestDetailsHeading class.

However, judging by your class names such as container and row, it appears that you might be using the Bootstrap CSS framework. If not, consider implementing Bootstrap for an easier solution with less customization required.

You can obtain the necessary CSS files from

http://getbootstrap.com/

Once Bootstrap is integrated into your page, you can achieve the desired effect using the following HTML structure:

<div class="container">
  <table class="table">
    <tr> <!-- Avoid using 'row' class due to conflicting usage in BS3 -->
      <td colspan="3">
        row 1
      </td>
    </tr>
    <tr class="requestDetailsHeading">
      <td colspan="3">HeadingName</td>
    </tr>
    <tr class="requestRow">
      <td>Name</td>
      <td>Date</td>
      <td>Age</td>
    </tr>
    <tr class="requestData">
      <td>gg</td>
      <td>dd</td>
      <td>ee</td>
    </tr>
  </table>
</div>

Simplifying the HTML structure, even without Bootstrap, provides a clearer representation. Specify the column span for each td element to achieve a 100% width header across different columns. When utilizing Bootstrap, the framework takes care of maintaining a 100% table width, or manually assign a width of "100%" to a relevant class controlling the table.

Additional Insights (Optional)

If opting for Bootstrap, leverage the BS3 grid system for a streamlined approach to achieving your goal.

By utilizing 'container', 'row', and 'col-md-xx' classes, you can easily create the following layout:

<div class="container">
  <div class="row">
    <div class="col-md-12">
      Row Header Text Goes Here
    </div>
  </div>
  <div class="row">
    <div class="col-md-4">Name</div>
    <div class="col-md-4">Date</div>
    <div class="col-md-4">Age</div>
  </div>
  <div class="row">
    <div class="col-md-4">gg</div>
    <div class="col-md-4">dd</div>
    <div class="col-md-4">ee</div>
  </div>
</div>

Bootstrap automatically adjusts responsiveness based on the device screen size for seamless viewing across various platforms. It offers the flexibility to define column widths in relation to the available grid system, ensuring a well-structured layout.

Consider using 'container-fluid' for full-width layouts extending to the edges of the page. By incorporating Bootstrap, your design becomes inherently adaptable and user-friendly on different devices without additional effort.

Answer №2

JSFiddle Link

table{
    background-color:white;
    width:100%;
}

Answer №3

Your tables are not nested. Instead, you have a structure of tr > td > tr > td, which is considered invalid. Additionally, the first row does not contain a td element.
To fix this issue, simply add width: 100% to all tables:

table {
  background-color: white;
  width: 100%;
}
.requestDetails {
  background-color: red;
}
.container {
  width: 600px;
  background-color: green;
}
.row {
  width: 100%;
  background-color: blue;
}
<div class="container">
  <table>
    <tr class="row">
      row 1
    </tr>
    <tr class="requestDetails row">
      <td>
        <tr class="requestDetailsHeading">
          <td>Headingname</td>

        </tr>
        <tr class="requestRow">
          <td>name</td>
          <td>date</td>
          <td>age</td>
        </tr>
      </td>
    </tr>
    <tr class="row">
      <td>gg</td>
      <td>dd</td>
      <td>ee</td>
    </tr>
  </table>
</div>

Answer №4

To ensure a table fills the entire width, simply include the CSS rule width: 100%; within the table element.

For a visual representation of this technique, visit the following link: Updated jsFiddle

For additional information on setting widths in CSS, consult the following resource: CSS width | MDN

Answer №5

To enhance your css, simply make the following adjustments:

.wrapper table{
    background-color:white;
    width:100%;
}

Answer №6

To ensure proper display of table data, it is important to set the width attribute for tables. Without a width specified, the table will adjust its size to fit the content within it.

Therefore, it is recommended to define the width of the table using CSS styling.

.row, table{
width:100%;
background-color:blue;
 }

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