Highlight parts of a text:
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The <mark> tag is supported in Internet Explorer 9+, Firefox, Opera, Chrome, and Safari.
Note: Internet Explorer 8 and earlier versions, do not support the <mark> tag.
The <mark> tag defines marked text.
Use the <mark> tag if you want to highlight parts of your text.
The <mark> tag is new in HTML5.
The <mark> tag also supports the Global Attributes in HTML.
The <mark> tag also supports the Event Attributes in HTML.
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