Implementing JavaScript functionality from one HTML file onto another

I have encountered a situation with two separate files where I am trying to load one HTML file within another.

iframe.html:

<select data-placeholder="Choose a Country..." class="flexselect">
    <option value=""></option>
    <option value="United States">United States</option>
    <option value="United Kingdom">United Kingdom</option>
    <option value="Afghanistan">Afghanistan</option>
    <option value="Algeria">Algeria</option>
    <option value="Bermuda">Bermuda</option>
    <option value="Bhutan">Bhutan</option>
</select>
<iframe src="index.html" style="width:100%; border: 0px solid #fff;"></iframe>

index.html:

<!doctype html>
<html lang="en">
    <head>
        <meta charset="utf-8">
        <link rel="stylesheet" href="http://rmm5t.github.io/jquery-flexselect/flexselect.css">
    </head>
    <body>
        <script src="http://code.jquery.com/jquery-1.6.4.js" type="text/javascript"></script>
        <script src="http://rmm5t.github.io/jquery-flexselect/jquery.flexselect.js" type="text/javascript"></script>
        <script src="http://rmm5t.github.io/jquery-flexselect/liquidmetal.js" type="text/javascript"></script>  
        <script type="text/javascript">
            $(document).ready(function(){
               $("select.flexselect").flexselect();
            });
    </script>           
    </body>
</html>

No errors are being displayed, yet the functionality is not working as expected. The issue seems to be related to the select tag positioned above the iframe tag. Upon further inspection, it was noticed that when the contents of the select tag are placed in the index.html page, the functionality works fine. However, this results in the dropdown menu being constricted by the iframe's height and requiring scrolling. Given this limitation, it is necessary to keep the select tag outside of the iframe. What steps can be taken to resolve this issue and make it functional?

Answer №1

Understanding the communication process between an iframe and its parent window is crucial. The code snippet below demonstrates how to invoke a method from the parent window.

window.parent.functionName();

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