onclick 事件
<html><body>
Field1: <input type="text" id="field1" value="Hello World!">
<br />
Field2: <input type="text" id="field2">
<br /><br />
点击下面的按钮,把 Field1 的内容拷贝到 Field2 中:
<br />
<button onclick="document.getElementById('field2').value=
document.getElementById('field1').value">Copy Text</button>
</body>
</html>
Test
<html><body>
Field1: <input type="text" id="field1" value="Hello World!">
<br />
Field2: <input type="text" id="field2">
<br /><br />
点击下面的按钮,把 Field1 的内容拷贝到 Field2 中:
<br />
<button onclick="document.getElementById('field2').value=
document.getElementById('field1').value">Copy Text</button>
</body>
</html> lu guo kan kan 这上面都行?
<input type="text" id="txt"/>
<input type="button" value="SUBMIT" onclick="document.getElementById('txt').value='SUBMIT'"/>
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