How to call javascript function specified in a chi

2020-02-09 04:00发布

站内问答 / JavaScript
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I'm working on a accient project which based on and tags.

Here's the common HTML structure of the parent page (index.html):

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html lang="en">
<head>  
</head>
<frameset rows="75px,*" frameborder="0">
    <frame name="frame1" src="frames/frame1.html">
    <frameset class="child_frameset">
        <frame name="frame3" src="frames/frame3.html">
    </frameset>
</frameset>
</html>

Here how I specify the javascript function on the child frame (frame3.html):

<!DOCTYPE html>  
<html lang="en">  
<head>
    <script type="text/javascript">
        function helloWorld(){
            alert('hello world!');
        }
    </script>   
</head>
<body>
    <h1>I'm frame 3</h1>
</body>
</html>

My task is to call helloWorld() function. How do I do that?
Thanks in advance!

3条回答
男人必须洒脱
2楼-- · 2020-02-09 04:34

You can do it like this:

document.getElementById('frame3').contentWindow.helloWorld();
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Rolldiameter
3楼-- · 2020-02-09 04:36

You can call method from childframe 

window.frames[n].frames[m].methodName()

where n , m are integers starting from 0.If you have document only one frame remove the frames[m] part and get the job done.

Ya one more thing , do trial an error and find out exact frame numbers and method. Hope this helps

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欢心
4楼-- · 2020-02-09 04:38

Check for contentWindow, contentDocument and get the frame object and perform call.

var siblingFrame;
if (parent.document.getElementById('siblingFrameId').contentWindow){
  siblingFrame = parent.document.getElementById('siblingFrameId').contentWindow;
} else if (parent.document.getElementById('siblingFrameId').contentDocument){
  siblingFrame = parent.document.getElementById('siblingFrameId').contentDocument;
} else if (parent.document.getElementById('siblingFrameId')) {
  siblingFrame = parent.document.getElementById('siblingFrameId');
}

siblingFrame.helloWorld();
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