写成html页面var xhr = new XMLHttpRequest;xhronreadystatechange = function if xhrreadyState === 4 if xhrstatus === 200 var textareaContent = xhrresponseText; consolelogte

日期: 2026-03-14

标签: 社会

<!DOCTYPE html>
<html>
<head>
	<title>Fetch Textarea Content</title>
</head>
<body>
	<button onclick="fetchTextareaContent()">Fetch Textarea Content</button>
	<textarea id="myTextarea"></textarea>
	<script>
		function fetchTextareaContent() {
			var xhr = new XMLHttpRequest();
			xhr.onreadystatechange = function() {
			    if (xhr.readyState === 4) {
			        if (xhr.status === 200) {
			            var textareaContent = xhr.responseText;
			            document.getElementById("myTextarea").value = textareaContent;
			        } else {
			            console.error('Error: ' + xhr.status);
			        }
			    }
			};
			xhr.open('GET', 'http://example.com/textarea-id');
			xhr.send();
		}
	</script>
</body>
</html>

写成html页面var xhr = new XMLHttpRequest;xhronreadystatechange = function if xhrreadyState === 4 if xhrstatus === 200 var textareaContent = xhrresponseText; consolelogte

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