Deprecated: Typecho\Widget\Request::getServer(): Implicitly marking parameter $default as nullable is deprecated, the explicit nullable type must be used instead in D:\PHP_HOME\www\gp_blog\var\Typecho\Widget\Request.php on line 219

Deprecated: Typecho\Request::getServer(): Implicitly marking parameter $default as nullable is deprecated, the explicit nullable type must be used instead in D:\PHP_HOME\www\gp_blog\var\Typecho\Request.php on line 349

Deprecated: Typecho\Widget\Response::goBack(): Implicitly marking parameter $suffix as nullable is deprecated, the explicit nullable type must be used instead in D:\PHP_HOME\www\gp_blog\var\Typecho\Widget\Response.php on line 158

Deprecated: Typecho\Widget\Response::goBack(): Implicitly marking parameter $default as nullable is deprecated, the explicit nullable type must be used instead in D:\PHP_HOME\www\gp_blog\var\Typecho\Widget\Response.php on line 158
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Deprecated: htmlspecialchars(): Passing null to parameter #1 ($string) of type string is deprecated in D:\PHP_HOME\www\gp_blog\var\Widget\Archive.php on line 1057

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document.getElementsByName() 是根据控件名称获取这个控件对象，因为控件名称可以相同，返回的是一个对象数组。

document.getElementById() 是根据控件ID获取这个控件对象，因为控件ID唯一，返回的是一个对象。

document.getElementsByTagName() 是根据控件TAG获取这个控件对象，返回的是一个对象数组。