17-3.html
来自「js 全的样例代码,比较适合大家学习和交流」· HTML 代码 · 共 19 行
HTML
19 行
<head><title>Reverse</title></head><script>function reverse(n) { // Reverse the order of the children of Node n var kids = n.childNodes; // Get the list of children var numkids = kids.length; // Figure out how many there are for(var i = numkids-1; i >= 0; i--) { // Loop through them backwards var c = n.removeChild(kids[i]); // Remove a child n.appendChild(c); // Put it back at its new position }}</script></head><body><p>paragraph #1<p>paragraph #2<p>paragraph #3 <!-- A sample document --><p> <!-- A button to call reverse()--><button onclick="reverse(document.body);">Click Me to Reverse</button></body>
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