How to reset fckeditor with reset button in php or java script?

Answer 1

I think:

var fckEditor = FCKeditorAPI.GetInstance('your-fckeditor-textbox-id'); 
fckEditor.EditorDocument.body.innerHTML = '';

will do what you want

Answer 2

Old question, but I ran into the same issue recently and the idea of modifying the iframe contents directly bothers me. Thankfully, the api provides us with a method for setting the value without resorting to hacking:

var editor = FCKeditorAPI.GetInstance('your-textbox');
editor.SetHTML('');

As Mark B suggests in his comment on his own post, you can put this in a function and call it in the reset handler for your form:

<script>
function resetEditor() {
    var editor = FCKeditorAPI.GetInstance('your-textbox');
    editor.SetHTML('');
}
</script>
<form onreset="resetEditor();">