Kommunikation vom Iframe to Parent
Nachrichten oder Befehle von Iframe zu der Parent Seite schicken und auch andersrum.
Kommentar abgeben zu diesen Beitrag/Code ?Dann hier klicken
Der hier verwendete Code
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Parent Window</title>
</head>
<body>
<h1>Parent Window</h1>
<p>Send Message: <button id="message_button">Hi there iframe</button></p>
<p>Got Message:</p>
<div id="results"></div>
<br/>
<iframe style="height:300px;width:400px" id="the_iframe" srcdoc="<!DOCTYPE html>
<html lang='en'>
<head>
<meta charset='utf-8'>
<title>iframe Window</title>
<style>
body {
background-color: #D53C2F;
color: white;
}
</style>
</head>
<body>
<h1>Hello there, i'm an iframe</h1>
<p>Send Message: <button id='message_button'>Hi parent</button></p>
<p>Got Message:</p>
<div id='results'></div>
<script>
// addEventListener support for IE8
function bindEvent(element, eventName, eventHandler) {
if (element.addEventListener) {
element.addEventListener(eventName, eventHandler, false);
} else if (element.attachEvent) {
element.attachEvent('on' + eventName, eventHandler);
}
}
// Send a message to the parent
var sendMessage = function (msg) {
// Make sure you are sending a string, and to stringify JSON
window.parent.postMessage(msg, '*');
};
var results = document.getElementById('results'),
messageButton = document.getElementById('message_button');
// Listen to messages from parent window
bindEvent(window, 'message', function (e) {
results.innerHTML = e.data;
});
// Send random message data on every button click
bindEvent(messageButton, 'click', function (e) {
var random = Math.random();
sendMessage('' + random);
});
</script>
</body>
</html>
"></iframe>
<script>
// addEventListener support for IE8
function bindEvent(element, eventName, eventHandler) {
if (element.addEventListener){
element.addEventListener(eventName, eventHandler, false);
} else if (element.attachEvent) {
element.attachEvent('on' + eventName, eventHandler);
}
}
// Send a message to the child iframe
var iframeEl = document.getElementById('the_iframe'),
messageButton = document.getElementById('message_button'),
results = document.getElementById('results');
// Send a message to the child iframe
var sendMessage = function(msg) {
// Make sure you are sending a string, and to stringify JSON
iframeEl.contentWindow.postMessage(msg, '*');
};
// Send random messge data on every button click
bindEvent(messageButton, 'click', function (e) {
var random = Math.random();
sendMessage('' + random);
});
// Listen to message from child window
bindEvent(window, 'message', function (e) {
results.innerHTML = e.data;
});
</script>
</body>
</html>