focus() 方法用于在密码域上设置焦点。
passwordObject.focus()
下面的例子可设置或移开密码域上的焦点:
<html> <head> <script type="text/javascript"> function setFocus() {document.getElementById('password1').focus()
} function loseFocus() {document.getElementById('password1').blur()
} </script> </head> <body> <form> <input type="password" id="password1" value="thgrt456" /> <input type="button" onclick="setFocus()" value="Set focus" /> <input type="button" onclick="loseFocus()" value="Lose focus" /> </form> </body> </html>
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