编辑您的代码:
查看结果:
<html> <head> <script type="text/javascript"> function setFocus() { document.getElementById('male').focus() } function loseFocus() { document.getElementById('male').blur() } </script> </head> <body> <form> Male: <input id="male" type="radio" name="Sex" value="Male" /> <br /> Female: <input id="female" type="radio" name="Sex" value="Female" /> <br /> <input type="button" onclick="setFocus()" value="Set focus" /> <input type="button" onclick="loseFocus()" value="Lose focus" /> </form> </body> </html>
查看结果:
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