值得注意的是，Dom的行为变化
情感维度是DOM职责的核心部分。优秀的DOM能通过<SPan data-red pointer-tag="pointer" style="cursor: default; text-decoration: underline;" href="javascript:commentUserTag("j41d5DTaJtYq9I_RlyZ7pxwE883C6ZDXZdWh5zRFOqQF1r9fMtoDrI28R2QK0vJNht")" class="jeredactor-tag-link" data-host="forum" page="true" data-page-tags="string:j41d5dTa" title="表情" data-original-name="" dir="auto" style="text-decoration: underline; user-select: none; cursor: help;" data-redactor-tag="smile" "