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July 31, 2017 14:02
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Dynamic Iframe Resizing ( No scroll will appear when the content of an Iframe changes the height. )
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| <html> | |
| <head> | |
| <title> Content inside an IFRAME </title> | |
| </head> | |
| <body> | |
| <div> | |
| <button id="btn" onclick="addParagraph()">Add Paragraph</button> | |
| <p>I am content that will be inside an IFRAME</p> | |
| </div> | |
| </body> | |
| <script> | |
| $(document). | |
| on('click', '#btn', function(){ | |
| $('p').append("<p>I'm another paragraph</p>") | |
| sendHeight() | |
| }); | |
| </script> | |
| <script src="http://code.jquery.com/jquery-3.2.1.min.js" integrity="sha256-hwg4gsxgFZhOsEEamdOYGBf13FyQuiTwlAQgxVSNgt4=" crossorigin="anonymous"></script> | |
| <script> | |
| (function($) { | |
| sendHeight = function(){ | |
| height = $('body').height(); | |
| window.parent.postMessage({"height": height}, "*") | |
| } | |
| $(document).ready(function(){ | |
| $(window).on('resize', sendHeight) | |
| $(document). | |
| on('click', '#btn', function(){ | |
| sendHeight(); | |
| }) | |
| }) | |
| })(jQuery); | |
| </script> | |
| </html> |
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| <html> | |
| <head> | |
| <title>Website Page</title> | |
| </head> | |
| <body> | |
| <script src="http://code.jquery.com/jquery-3.2.1.min.js" integrity="sha256-hwg4gsxgFZhOsEEamdOYGBf13FyQuiTwlAQgxVSNgt4=" crossorigin="anonymous"></script> | |
| <!-- | |
| This script will grab the post message from frame.html which | |
| contains the height value and on resize of the browser change the height of the iframe | |
| //--> | |
| <script> | |
| window.addEventListener('message', function(event) { | |
| if(height = event.data['height']) { | |
| console.log(height) | |
| $('iframe').css('height', height + 'px') | |
| } | |
| }) | |
| </script> | |
| <iframe src="frame.html"></iframe> | |
| </body> | |
| </html> | |
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