我已经将一个客户的站点从旧的垃圾域名迁移到新的域名，以更好地代表他们的业务。然而，自从移动以来，似乎出现了某种Javascript/Ajax问题。

例如，我似乎无法切换选项卡（在ajax页面上），而；“快速编辑”；工具根本不起作用。当单击任何页面上的“快速编辑”链接时，我在F12控制台中发现此错误。

Uncaught TypeError: Cannot read property \'hasClass\' of undefined
    at HTMLDocument.<anonymous> (load-scripts.php?c=1&load[chunk_0]=hoverIntent,common,hoverintent-js,admin-bar,jquery-ui-position,jquery-ui-menu,jquery-ui-autocomplete,tags-suggest,inline-edit-po&load[chunk_1]=st,heartbeat,svg-painter,wp-auth-check,wp-sanitize,updates,shortcode,wp-backbone,media-models,wp-plupload&ver=5.5:292)
    at HTMLDocument.dispatch (jquery.js?ver=1.12.4-wp:3)
    at HTMLDocument.r.handle (jquery.js?ver=1.12.4-wp:3)
    at Object.trigger (jquery.js?ver=1.12.4-wp:3)
    at HTMLDocument.<anonymous> (jquery.js?ver=1.12.4-wp:3)
    at Function.each (jquery.js?ver=1.12.4-wp:2)
    at n.fn.init.each (jquery.js?ver=1.12.4-wp:2)
    at n.fn.init.trigger (jquery.js?ver=1.12.4-wp:3)
    at Object.<anonymous> (load-scripts.php?c=1&load[chunk_0]=hoverIntent,common,hoverintent-js,admin-bar,jquery-ui-position,jquery-ui-menu,jquery-ui-autocomplete,tags-suggest,inline-edit-po&load[chunk_1]=st,heartbeat,svg-painter,wp-auth-check,wp-sanitize,updates,shortcode,wp-backbone,media-models,wp-plupload&ver=5.5:48)
    at i (jquery.js?ver=1.12.4-wp:2)