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HTML | <isindex> tag

  • Last Updated : 15 Sep, 2021

The <isindex> tag is used to querying any document through a text field. Means this tag inform the browser that the user wants to provide the search function through the document. If you want to search any specific word in a long article this tag is helpful then. But during these days all the browsers contain that feature by pressing CTRL + F will let you search the word, so this tag is no more useful these days.


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<isindex prompt="search">


  • prompt: This attribute contains a string which is label for the text field.
  • action: This attribute holds the URL when you need to send the query to a different URL.

Note: HTML5 does not support <isindex> tag. 



<!Doctype html>
    <title>HTML isindex Tag</title>
    <isindex prompt="Search" />
        h1 {
            color: green;
        <h2>HTML <isindex> tag</h2>
            Articles that need little modification/improvement
        from reviewers are published first. To quickly get your
        articles reviewed, please refer existing articles,
        their formating style, coding style, and try to make
        your close to them.

Output: get word was searched, 

Supported Browsers: The browsers supported by HTML | <isindex> tag are listed below:  

  • Google Chrome
  • Internet Explorer
  • Firefox
  • Safari
  • Opera


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