chengnan
/
s202226701001


			
				
					
						
						
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							<!DOCTYPE html>
<html>
<head>
    <meta name="viewport" content="width=device-width">
    <link rel="stylesheet" href="assets/style.css">
    <title>Hammer.js</title>

    <style>
        .tester {
            margin: 20px 0;
            padding: 10px;
            height: 200px;
            overflow: hidden;
        }

        .scroll-space {
            height: 9000px;
        }

        #native, #no-native {
            color: #fff;
            font-weight: bold;
            font-size: 1.1em;
            padding: 10px 20px;
            display: none;
            margin: 25px 0;
        }

        .show {
            display: block !important;
        }

    </style>
</head>
<body>

    <div class="container">
        <p>Hammer provides a <a href="../../src/touchaction.js">kind of polyfill</a>
            for the browsers that don't support the <a href="http://www.w3.org/TR/pointerevents/#the-touch-action-css-property">touch-action</a> property.</p>

        <div id="native" class="green">Your browser has support for the touch-action property!</div>
        <div id="no-native" class="red">Your browser doesn't support the touch-action property,
            so we use the polyfill.</div>

        <h2>touch-action: auto</h2>
        <p>Should prevent nothing.</p>
        <div class="tester azure" id="auto"></div>

        <h2>touch-action: pan-y</h2>
        <p>Should prevent scrolling on horizontal movement. This is set by default when creating a Hammer instance.</p>
        <div class="tester azure" id="pan-y"></div>

        <h2>touch-action: pan-x</h2>
        <p>Should prevent scrolling on vertical movement.</p>
        <div class="tester azure" id="pan-x"></div>

        <h2>touch-action: pan-x pan-y</h2>
        <p>Should <strong>not</strong> prevent any scrolling on any movement. Horizontal and vertical scrolling handled by the browser directly.</p>
        <div class="tester azure" id="pan-x-pan-y"></div>

        <h2>touch-action: none</h2>
        <p>Should prevent all.</p>
        <div class="tester azure" id="none"></div>
    </div>
    <script src="../../hammer.js"></script>
    <script>
        var support = Hammer.prefixed(document.body.style, 'touchAction');
        document.getElementById(support ? 'native' : 'no-native').className += ' show';

        var touchActions = ['auto', 'pan-y', 'pan-x', 'pan-x pan-y', 'none'];
        Hammer.each(touchActions, function(touchAction) {
            var el = document.getElementById(touchAction.replace(" ", "-"));

            var mc = Hammer(el, {
                touchAction: touchAction
            });
            mc.get('pan').set({ direction: Hammer.DIRECTION_ALL });
            mc.get('pinch').set({ enable: true });
            mc.get('rotate').set({ enable: true });

            mc.on("pan swipe rotate pinch tap doubletap press", function(ev) {
                el.textContent = ev.type +" "+ el.textContent;
            });
        });
    </script>

    <div class="scroll-space"></div>
    <p>hi.</p>

</body>
</html>