What is HTML <mark> ?
HTML <mark> tag is used to highlighted (marked) specific text for reference purpose.
HTML <mark> tag defines the text that should be marked or highlighted inside the HTML document.
This is a newly introduced/added tag and introduced in HTML5.
How HTML <mark> works ?
HTML <mark> tag highlights the text part inside of another element such as paragraph, for reference or any notation purpose.
In most of the browser’s, the text inside the <mark> tag is rendered in the yellow background, but it can be changed using CSS background-color property.
Why is HTML <mark> used ?
HTML Mark <mark> element represents text which is marked or highlighted for reference or notation purposes.
Due to the marked notation the user can easily view the relevance or importance of the text inside the <mark> element.
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Syntax :
<mark> Contents... </mark>
Example 1 :
<!DOCTYPE html>
<html>
<body>
<h1 style="color: blue;">CSTechbook</h1>
<h2>HTML mark Tag</h2>
<p>
<mark>CSTechbook:</mark>
This is an online <mark>computer programming</mark> tutorial website.
</p>
</body>
</html>
Output :
Example 2 :
<!DOCTYPE html>
<html>
<body>
<h1 style="color: blue;">CSTechbook</h1>
<h2>HTML mark Tag</h2>
<p>
<mark>CSTechbook:</mark>
This is an online <mark style="background-color: green; color: white;">computer programming</mark> tutorial website.
</p>
</body>
</html>
Output :
<mark> Tag Attributes
HTML <mark> tag does not support any specific attributes.
Global Attributes
HTML <mark> tag support following global attributes.
| Sno | Attributes | Value | Description |
|---|---|---|---|
| 1 | id | unique_name | Declared unique id for an element. |
| 2 | class | class_name | Declared one or more classnames for an element. |
| 3 | style | styles | CSS inline styles specify an element. |
| 4 | title | title | Specify extra details of element contain, this will display as a “tooltip” for an elements. |
Event Attributes
HTML <mark> tag support following event attributes.
| Sno | Attributes | Value | Description |
|---|---|---|---|
| 1 | onfocus | script | element gets focus on object when script tobe run. |
| 2 | onblur | script | element lose the focus on object when scrip tobe run. |
| 3 | onabort | script | element gets aborted on object when script tobe run. |
| 4 | onchange | script | element gets anytime change on object when script tobe run. |
| 5 | onbeforeunload | script | element gets unloaded on object when scrip tobe run. |
| 6 | onclick | script | clicked on object when script tobe run. |
| 7 | ondblclick | script | double click on object when script tobe run. |
| 8 | onkeydown | script | key is pressed when script tobe run. |
| 9 | onkeypress | script | key is pressed over element then released when script tobe run. |
| 10 | onkeyup | script | key is released over element when script tobe run. |
| 11 | onmousedown | script | mouse button was pressed over an element when script tobe run. |
| 12 | onmouseout | script | mouse pointer release over an element when script tobe run. |
| 13 | onmousemove | script | run mouse pointer moved when script tobe run. |
| 14 | onmouseover | script | run mouse pointer move over when script tobe run. |
| 15 | onmouseup | script | mouse button is released when script tobe run. |
| 16 | onreset | script | form has been reset when script tobe run. |
| 17 | onselect | script | Select some content when script tobe run. |
| 18 | onsubmit | script | form has been submitted when script tobe run. |
| 19 | onload | script | object has load when script tobe run. |
| 20 | onchange | script | allow to change the object when script tobe run. |
| 21 | onunload | script | unload to the browser window when script tobe run. |
| 22 | ondrag | script | element being dragged when script tobe run. |
| 23 | ondragend | script | element being stop dragged when script tobe run. |
| 24 | ondragenter | script | element being go target dragged when script tobe run. |
| 25 | ondragleave | script | element being leave to target dragged when script tobe run. |
| 26 | ondragover | script | element being over to target dragged when script tobe run. |
| 27 | ondragstart | script | element being start dragged when script tobe run. |
| 28 | ondrop | script | element being dropped when script tobe run. |
| 29 | onerror | script | element error occurs when script tobe run. |
| 30 | onmessage | script | element message display when script tobe run. |
| 31 | onerror | script | element error occurs when script tobe run. |
| 32 | onmousewheel | script | mouse wheel will be rotate when script tobe run. |
| 33 | onscroll | script | scrollbar is scroll when script tobe run. |
| 34 | onresize | script | element should be resize when script tobe run. |
| 35 | onselect | script | all element content selected when script tobe run. |
| 36 | onstorage | script | element should be store in target when script tobe run. |
Browser Compatibility
| Sno | Browser | Support |
| 1 | Chrome | Yes |
| 2 | Firefox | Yes |
| 3 | Edge | Yes |
| 4 | Opera | Yes |
| 5 | Safari | Yes |
| 6 | Internet Explorer | Yes |