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  1. #1
    Ext User matjaz's Avatar
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    Default Ext.DomQuery.selectValue() 4k limit - only in FF

    Ext.DomQuery.selectValue() 4k limit - only in FF


    FF has a limit of 4k of text in one text node.
    selectValue() doesn't consider this.

    For more info you can read at:
    http://www.webmasterworld.com/javascript/3388031.htm

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    Sencha User jack.slocum's Avatar
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    Ok, so why are you reporting that as a bug in Ext?
    Jack Slocum
    Ext JS Founder
    Original author of Ext JS 1, 2 & 3.
    Twitter: @jackslocum
    jack@extjs.com

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    Ext User matjaz's Avatar
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    Suppose I have a <node>with more than 4k of text</node>
    Ext.DomQuery.selectValue('node') will return only first 4k of text.

    I think it's a bug, because in the methods code you just fetches only firstChild, correct is by fetching all text nodes, right ?

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    I made a simple example which proves my point.

    This is a test page:
    Code:
    <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" 
    	"http://www.w3.org/TR/html4/loose.dtd">
    <html>
    <head>
    	<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
    	<title>FF 4K limit in TextNode</title>
    	<script type="text/javascript" src="/res/ext/base.js"></script>
    	<script type="text/javascript" src="/res/ext/ext-all-debug.js"></script>
    	<script type="text/javascript">
    	Ext.onReady(function(){
    	    var s = new Ext.data.Store({
    	        proxy: new Ext.data.HttpProxy({url: 'data.xml'}),
    	        reader: new Ext.data.XmlReader({
    	               record: 'item',
    	           }, [
    	               'test'
    	           ])
    	    });
    		s.on("load", function(store, records, options) {
    			console.log(records[0].get("test"));
    			Ext.get("result").update(records[0].get("test"));
    		});
    	    s.load();
    	});
    	</script>
    </head>
    <body>
    <div id="result"></div>
    </body>
    </html>
    and here is data.xml:
    Code:
    <Data>
    	<item>
    		<test>Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...
    Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...
    Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...
    Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...
    Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...
    Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...
    Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...
    Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...
    Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...
    Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Here is the end.....Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...Testing...</test>
    	</item>
    </Data>
    As you can see only first 4k of text is loaded.

  5. #5
    Sencha User jack.slocum's Avatar
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    We will look at addressing this in 2.0. I prefer to avoid it as it is important that the performance of selectValue does not suffer. In the meantime, I recommend using select and processing the value manually for your extra large nodes.
    Jack Slocum
    Ext JS Founder
    Original author of Ext JS 1, 2 & 3.
    Twitter: @jackslocum
    jack@extjs.com

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    Default


    Just out of curiosity, is this simply an academic question, or are you actually hitting this as an issue in your application?

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