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Editorial Team
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Asked: 2026-05-12T16:11:28+00:00

<div style=display:none;> <div id=wmd-editor class=wmd-panel> <div id=wmd-button-bar></div> <textarea id=wmd-input></textarea> </div> <div id=wmd-preview class=wmd-panel></div> <div

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<div style="display:none;">
    <div id="wmd-editor" class="wmd-panel">
        <div id="wmd-button-bar"></div>
        <textarea id="wmd-input"></textarea>
    </div>
    <div id="wmd-preview" class="wmd-panel"></div>
    <div id="wmd-output" class="wmd-panel"></div>   
</div>

See,I’m following wmd-test.html of derobins-wmd,except put that stuff inside a hidden div.

uncaught exception: [Exception... "Component returned failure code: 0x80004005 (NS_ERROR_FAILURE) [nsIDOMNSHTMLTextAreaElement.selectionStart]" nsresult: "0x80004005 (NS_ERROR_FAILURE)" location: "JS frame :: http://localhost/derobins-wmd-980f687/wmd.js :: anonymous :: line 490" data: no]
uncaught exception: [Exception... "Component returned failure code: 0x80004005 (NS_ERROR_FAILURE) [nsIDOMNSHTMLTextAreaElement.selectionStart]" nsresult: "0x80004005 (NS_ERROR_FAILURE)" location: "JS frame :: http://localhost/derobins-wmd-980f687/wmd.js :: anonymous :: line 490" data: no]
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1 Answer

  1. Editorial Team

    You might use the off-left technique, if the plugin doesn’t like the elements not having height/width.

    <div style="position: absolute; left: -1000px; width: 100px">
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