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Learn insdel syntax codes and tags using the sample below.

insdel syntax

Insert and delete are for marking revisions in an HTML page. The tags take two key attributes, CITE, which is a URL containing information about the change, and DATETIME which is an ISO-8601 datetime format (YYYY-MM-DDThh:mm:ssTZD) for when the change occured. You can also use the core attribute, "TITLE", to give additional information right in the tag. A browser could then render the extra information either as a tool tip or in the status bar.



<DEL TITLE="I felt like a change."


Using Style Sheets to Enhance the Purpose

Used inconjunction with style sheets, these tags can allow you to visually track changes to an on-line corporate document, or legal papers, or anything requiring this feature. Additionally, you could use a Dynamic HTML script to alter the style definitions for changes older than 30 days, or updated material less than a week old, etc.

(The source code has been color-coded to help you see what's going on a little better.)



  <STYLE TYPE="text/css">

      DEL {

          color: #990000;

          text-decoration: line-through;


      .old {

          color: #996600;


      INS {

          background-color: #FFFF00;


      #new {

          color: #FF0000;

          text-decoration: blink;






  <P>We hold these

  <DEL DATETIME="1776-05-21T23:14:36-05:00" CLASS="old">



  <DEL DATETIME="1776-06-28T21:32:17-05:00"

       TITLE="This was Bens idea.">

    groovy concepts


  <INS DATETIME="1776-07-04T01:32:25-05:00">truths</INS>

  to be self-evident, that all men

  <INS DATETIME="1976-07-04T01:32:25-05:00" ID="new">

    and women


  were created equal.




We hold these ideals groovy concepts  truths to be self-evident, that all men and women were created equal.

insdel code practice

insdel tutorial

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The applet Object [C|3]

The area Object [C|3]

The Array Object [C|3|I]

The button Object [C|2|3|I]

The checkbox Object [c|2|3|I]

The combo Object [C|I]

The Date Object [C|2|3|I]

The document Object [C|2|3|I]

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The form Object [C|2|3|I]

The frame Object [C|2|3|I]

The Function Object [C|3]

The hidden Object [C|2|3|I]

The history Object [C|2|3|I]

The Image Object [C|3]

The link Object [C|2|3|I]

The location Object [C|2|3|I]

The Math Object [C|2|3|I]

The mimeType Object [C|3]

The navigator Object [C|2|3|I]

The Option Object [C|3]

The password Object [C|2|3|I]

The plugin Object

The radio Object [C|2|3|I]

The reset Object [C|2|3|I]

The select Object [C|2|3]

The String Object [C|2|3|I]

The submit Object [C|2|3|I]

The text Object [C|2|3|I]

The textarea Object [C|2|3|I]

The window Object [C|2|3|I]

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