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schangxiang@126.com
2024-08-16 b47c50a2a514def7374b32d7194b2c599cba5625
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<html>
    <body>
 
        <iframe id="reveal" src="../../index.html" style="border: 0;" width="500" height="500"></iframe>
 
        <div>
            <input id="back" type="button" value="go back"/>
            <input id="ahead" type="button" value="go ahead"/>
            <input id="slideto" type="button" value="slideto 2-2"/>
        </div>
 
        <script>
 
            (function (){
 
                var back = document.getElementById( 'back' ),
                        ahead = document.getElementById( 'ahead' ),
                        slideto = document.getElementById( 'slideto' ),
                        reveal =  window.frames[0];
 
                    back.addEventListener( 'click', function () {
                        
                    reveal.postMessage( JSON.stringify({method: 'prev', args: []}), '*' );
                }, false );
 
                ahead.addEventListener( 'click', function (){
                    reveal.postMessage( JSON.stringify({method: 'next', args: []}), '*' );
                }, false );
 
                slideto.addEventListener( 'click', function (){
                    reveal.postMessage( JSON.stringify({method: 'slide', args: [2,2]}), '*' );
                }, false );
 
            }());
 
        </script>
 
    </body>
</html>