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The power of DIV with IFRAME

This article mainly explains the benefits of using DIV to write dynamic content to IFRAME. I shall also guide you in developing your own library of functions to work with IFRAME effectively.

Author Info:
By: Jagadish Chaterjee
Rating: 4 stars4 stars4 stars4 stars4 stars / 78
March 08, 2006
  1. · The power of DIV with IFRAME
  2. · Using a DIV as variable to write into IFRAME: discussion
  3. · Making DIV more dynamic to write into IFRAME
  4. · Creating your own library to write dynamic content to IFRAME: essentials
  5. · Creating your own library to write dynamic content to IFRAME: utility functions

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The power of DIV with IFRAME - Making DIV more dynamic to write into IFRAME
(Page 3 of 5 )

Now, let us try to develop a simple script (JavaScript) which extends the script shown in the previous sections. The entire code for the sample is as follows:

            <meta  name=vs_targetSchema  content="http://schemas.microsoft.com/intellisense/ie5">
<script  id="clientEventHandlersJS"  language="javascript">
function Show(val)
      var tDiv = document.getElementById("dvSample");
        var FirstElement = tDiv.firstChild;
        var v = FirstElement.nodeValue;
        var val2 = v.replace(/\%message\%/g, val);
        var tFrame = document.getElementById("myFrame");
        var doc = tFrame.contentDocument;
        if (doc == undefined || doc == null)
            doc = tFrame.contentWindow.document;


function Button1_onclick() {
var v = document.all("txtHTML").value;
      <div  id="dvSample">
      <iframe  id="myFrame"  frameborder="0"  vspace="0"  hspace="0"  marginwidth="0"
marginheight="0"  width="100" scrolling=yes  height="100"
style="BORDER-RIGHT: black 1px solid; BORDER-TOP: black 1px solid; Z-INDEX: 999; LEFT: 20px; BORDER-LEFT: black 1px solid; BORDER-BOTTOM: black 1px solid; POSITION: absolute; TOP: 100px; visibility:hidden;"></iframe>
            <form  id="form1">
                  Enter some HTML: <input  type=text  id="txtHTML"><input  type="button"  value="Show"  id="Button1"  name="Button1"  onclick="return Button1_onclick()">

Within the above code, I made a dynamic drive by giving the flexibility to the user to enter his own information, which can be carried as content to IFRAME. 

The HTML (or any information) entered by the user gets accepted into the textbox and we transfer that information to the function “show.”  The DIV contains a suspicious word, “%message%”.  We use this word to replace the content entered within the textbox.  This is one of the very clever techniques used in writing content to IFRAME dynamically.

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