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<html><body><h1>The Document Object</h1><h2>The document.getElementsByTagName Method</h2><p><input type="text" size="20"></p><p><input type="text" size="20"></p><p><input type="text" size="20"></p><p><input type="button" onclick="getElements()" value="How many input elements?"><script>function getElements() { var x = document.getElementsByTagName("input"); alert(x.length); }</script></body></html>