HowtolocatetwitterloginbuttonusingWatirandRuby?我正在尝试使用名为Watir的gem来定位twitter登录按钮。这是按钮标记:1buttontype="submit"class="submitEdgeButtonEdgeButton--primaryEdgeButtom--medium">Loginbutton>这是我的代码:12#ClickLoginButtonbrowser.button(:class=>['submit''EdgeButton''EdgeButton--primary''EdgeButtom--medium'],:tag_n