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39 lines
1.4 KiB
HTML
39 lines
1.4 KiB
HTML
<?xml version="1.0" encoding="utf-8"?>
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<title>Selection drag and drop: invalid value of effectAllowed</title>
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<style type="text/css">
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div
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{display:inline-block;
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vertical-align:top;
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background-color:olive;
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color:white;
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padding:20px;
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width:100px;
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height:100px;}
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div:nth-child(2)
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{background-color:green;}
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div:nth-child(3)
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{background-color:teal;}
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</style>
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<script type="application/ecmascript">
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var effects = ['copy','move','link'], i = 0;
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function selectText()
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{window.getSelection().selectAllChildren(document.querySelector('p'))}
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function dropSelection(event)
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{event.target.appendChild(document.createTextNode((event.dataTransfer.dropEffect == effects[i] && event.dataTransfer.effectAllowed == effects[i])?' PASS ':' FAIL '));
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i = (i + 1)%3;
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selectText();}
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function start(event)
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{event.dataTransfer.effectAllowed = effects[i];
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event.dataTransfer.effectAllowed = 'fail';}
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</script>
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</head>
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<body onload="selectText()">
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<p ondragstart="start(event)">Drag me</p>
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<div ondragenter="event.preventDefault()" ondragover="return false" ondrop="dropSelection(event)"/>
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<div ondragenter="event.preventDefault()" ondragover="return false" ondrop="dropSelection(event)"/>
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<div ondragenter="event.preventDefault()" ondragover="return false" ondrop="dropSelection(event)"/>
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<p>You should be able to drag selection and drop it onto any of the green boxes.</p>
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</body>
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</html> |