HTML <main> hidden Attribute

HTML <link>

HTML <map>

A hidden attribute on a <main> tag hides the main element.

Although the main element is not visible, it maintains its position on the page.

Example

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A hidden attribute on a <main> tag.
The main element is not visible.

A hidden main element:

<p>A hidden main element:</p>

<main hidden>
  <b>Impressionism</b> is a 19th-century art movement 
  characterized by relatively small brush strokes, 
  emphasis on accurate depiction of light, ordinary
  subject  matter, and unusual visual angles. 
  Impressionism originated  with a group of 
  Paris-based artists whose independent exhibitions 
  brought them to prominence in the 1870s and 1880s.
</main>

Using hidden

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The hidden attribute hides the <main> element.

You can specify either 'hidden' (without value) or 'hidden="hidden"'. Both are valid.

A hidden <main> element is not visible, but it maintains its position on the page.

Removing the hidden attribute makes it re-appear.

Syntax

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<main hidden>

<main hidden="hidden">

Values

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Value	Description
hidden	Use 'hidden' or hidden='hidden'. Both are valid.

More Examples

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Clicking the button toggles A hidden attribute on the <main> tag.

Impressionism is a 19th-century art movement characterized by relatively small brush strokes, emphasis on accurate depiction of light, ordinary subject matter, and unusual visual angles. Impressionism originated with a group of Paris-based artists whose independent exhibitions brought them to prominence in the 1870s and 1880s.

<main id="mymain">
  <b>Impressionism</b> is a 19th-century art movement 
  characterized by relatively small brush strokes, 
  emphasis on accurate depiction of light, ordinary
  subject  matter, and unusual visual angles. 
  Impressionism originated  with a group of 
  Paris-based artists whose independent exhibitions 
  brought them to prominence in the 1870s and 1880s.
</main>

<br />
<button onclick="toggle(this)">Hide main</button>

<script>
  let toggle = button => {
    let element = document.getElementById("mymain");
    let hidden = element.getAttribute("hidden");
    
    if (hidden) {
       element.removeAttribute("hidden");
       button.innerText = "Hide main";
    } else {
       element.setAttribute("hidden", "hidden");
       button.innerText = "Show main";
    }
  }
</script>

Code explanation

Initially, the <main> element has no hidden attribute and can be seen.

Clicking the button calls JavaScript that toggles the hidden attribute.

When the hidden attribute is present, the <main> element will not be visible.

Browser support

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Here is when hidden support started for each browser: