capture onclick event handler to CKEditor textarea

var element = CKEDITOR.document.getById( 'myElement' );
element.on( 'click', function( ev ) {
        someFunction();
    });

var element = CKEDITOR.document.getById( 'myElement' );
element.on( 'click', function( ev )
    {
        // Prevent the click to chave any effect in the element.
        ev.data.preventDefault();
    });

var element = CKEDITOR.document.getById( 'myElement' );
element.on( 'click', function( ev ) {
        ev.removeListener();
        someFunction();
    });