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tinyMCE with Text Area

In a php page i have three textarea, and many client create four more(I done it with DOM). And i want to assign tinyMCE to all the text areas, that was sucessfull. But the issue is  i can't get the values from the textarea using javascript.

When i used this command   alert(document.getElementById('txt1').value);
the result is empty, but the textarea having value. When i post the page i got the values from all textarea. But i need client side validation to check datas are entered in textarea.

Pls help
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logicslab
Asked:
logicslab
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1 Solution
 
quetzal22Commented:
From what I see here:
http://tinymce.moxiecode.com/examples/example_06.php

it seems that if your textarea has name="myEditor" then you will need to do:
var ed = tinyMCE.get('content');

//then to find out the value of it
alert( ed.getContent() );

//then if you want to change the value of it
ed.setContent('Hello');
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logicslabAuthor Commented:
Hi quetzal22

thank you for your quick reply.
 
One more question about tinyMCE. How can i add Mathematical Symbols to textarea using tinyMCE?
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quetzal22Commented:
The "Full Featured" example:
http://tinymce.moxiecode.com/examples/full.php

shows you all the supported features. Mathematical symbols are not an option. TinyMCE is an HTML editor. HTML does not support Mathematical symbols (they never thought about that until later - then they came up with MathML - http://www.w3.org/Math/). You may want to ask the TinyMCE folks if they intend to add that support.
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logicslabAuthor Commented:
Thank you very much
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