给checkbox添加焦点,代码如下:

<html>
    <form name=\"myForm\">
      <input type=\"checkbox\" name=\"checkBox1\">Option 1<br>
      <input type=\"checkbox\" name=\"checkBox2\">Option 2<hr>
      <input type=\"button\" name=\"focusButton\" value=\"Move Focus\"  =\"moveFocus()\">
    </form>
    <  language=\" \">
    function moveFocus() {
      document.myForm.checkBox1.focus();
    }
    </ >
</html>
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