react-examples/professional_javascript_for_web/ch12/DOMRangeExample5.htm at master · zhangjunhd/react-examples · GitHub

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<!DOCTYPE html>
<html>
    <head>
        <title>DOM Range Example</title>
        <script type="text/javascript">
            function extractContent() {
                var p1 = document.getElementById("p1"),
                    helloNode = p1.firstChild.firstChild,
                    worldNode = p1.lastChild,
                    range = document.createRange();

                range.setStart(helloNode, 2);
                range.setEnd(worldNode, 3);
                var fragment = range.extractContents();
                p1.parentNode.appendChild(fragment);


            }
        </script>
    </head>
    <body>
        <div>
        <p id="p1"><b>Hello</b> world!</p>
        </div>
        <input type="button" value="Extract Content" onclick="extractContent()">
        <p><strong>Note:</strong> This example uses DOM ranges and will only work in browsers that support DOM ranges. This example will fail in Internet Explorer &lt; 9.</p>

    </body>
</html>