tryjsref_text_get 在线代码实例

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<!DOCTYPE html>
<html>
<body>
<h3以下实例演示了如何访问文本域</h3>
<input type="text" id="myText" value="一些文本...">
<p>点击“点我” 按钮获取文本域的文本信息。</p>
<button onclick="myFunction()">点我</button>
<p id="demo"></p>
<script>
function myFunction() {
    var x = document.getElementById("myText").value;
    document.getElementById("demo").innerHTML = x;
}
</script>
</body>
</html>
 
 
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运行结果
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