Add class to menu ul with active child

You certainly could build a custom walker, but perhaps the easiest way out is jquery:

$("li.active").parent().addClass("is-active");

Related Posts:

  1. Adding toggle-able element after menu item
  2. Twenty Fifteen: Change navigation menu behavior
  3. WP Menu Rollover Nav Item and Effect DIV Elsewhere
  4. Links in new menu don’t work
  5. Split up wp_nav_menu with custom walker
  6. How to Add to Each Menu Link with link text to data-attr?
  7. Removing link ” from ” menu for some “links” without JS
  8. Multi Level Bootstrap Navigation Menu in WordPress
  9. Determine if a navigation item has children
  10. Bootstrap dropdown nav pills not working with wp_nav_menu()
  11. How to move parent li to end of child ul
  12. Links open only on new tab or window
  13. Bar separated navigation by extending Walker_Page
  14. How to Create a Custom WordPress Navigation Menu with the Code?
  15. Custom Nav Walker sub-menu HTML construct
  16. Add sidebars to navigation menu?
  17. `start_el` depth argument in custom nav walker always evaluates to zero
  18. Programmatically set current-menu-item using wp_nav_menu
  19. Add custom text to menu
  20. Menu styling for last menu item
  21. How to insert custom code into wp_nav_menu structure?
  22. Menus like a CMS
  23. Remove li from wp_nav_menu
  24. Adding post excerpt into navigation menu
  25. Use wp_nav_menu to display ALL pages
  26. Third level navigation class
  27. How to add a submenu toggle button inside all “li” elements that have a submenu?
  28. get_query_var(‘post_type’) not returning in a filter
  29. Hide menu item in certain condition
  30. Prev / Next menu item
  31. Navigation Menus Depth for specific menus
  32. wp_nav_menu() with multiple Class
  33. add span class and i tag inside wp_nav_menu link anchor tag
  34. I am facing a problem with the navigation menu of my website
  35. Prepend to start of WordPress nav loop
  36. Grey out nav buttons unless is_user_logged_in()
  37. You do not have permission to create Navigation Menus – Twenty Twenty-Two theme
  38. How to approach this menu design?
  39. Trying to Create Menu in WordPress
  40. Creating a navigation menu to see where you are on your website
  41. Hierarchical menu nesting problem with jQuery targetting
  42. How can I add text to a single nav menu item?
  43. Alternative to wp_get_nav_menu_items?
  44. Using Zurb’s Foundation Tabs as WordPress Nav (Active Tab)
  45. Using my WordPress menu on another platform
  46. Links do not open from click, only in new tab [closed]
  47. How to remove dropdown from wp_nav_menu
  48. Add a submenu to wp_nav_menu
  49. Is it possible to add a dynamic link in the main navigation in a child theme
  50. Walker menu not displaying at all
  51. remove menu items if user can’t read
  52. Adding numbers inside a span tag in nav menu [closed]
  53. Adding a unique ID to each sub-menu
  54. How to add css to single navigation text? [closed]
  55. WordPress Menu adds an unwanted slash before anchor
  56. My navigation menu isn’t working. What happened? Please help!
  57. How to automatically redirect to first item of second navigation level in a multi-level menu?
  58. Locking in navigation labels before changing title?
  59. How to Add support for sub-menu item description in wordpress?
  60. Blending Foundation’s Tabs with WordPress Nav Menu & Display Active Tab
  61. Editing the nav menu?
  62. Additional navigation bar in header
  63. Why is my navigation in my onepage not working?
  64. Navigation item – current date in url
  65. Hide a menu (navigation bar) on all posts
  66. Nav Menu: Theme Location not working
  67. How to remove empty line space in navigation menu?
  68. Is it possible to get_the_post_thumbnail (Featured Image) inside a sprintf function?
  69. Bootstrap Theme Migrated to WordPress
  70. Add “onclick” option to header menu item
  71. What is inside in $item in start_el function in Walker_Nav_Menu class
  72. Bootstrap Nav Walker Sub Menu Image
  73. Creating navigation out of specific IDs and their children?
  74. Add active class to wp_nav_menu
  75. Disable Top Nav Bar on Mobile
  76. Mobile menu not working – jQuery error?
  77. how to configure this type of menu
  78. show a hidden ul if li is active
  79. Header lists posts instead of showing primary nav menu
  80. Programmatically add a Navigation menu and menu items
  81. Site-wide tabs at WordPress website?
  82. Creating custom Menu for custom theme
  83. How to add class and span to
  84. Show Child of Parent Page including all other parents
  85. Show only second level menu items? [duplicate]
  86. Add item ONLY to the primairy navigation
  87. Image menu on responsive WordPress
  88. Walker for menus
  89. wp_nav_menu: indicate by id page grandparents
  90. individual images as navigation design TwentyTen
  91. WordPress Navigation default output
  92. How to call either page name as the nav link or navigation title?
  93. How to get wordpress navigation to work
  94. How do I show a different secondary navigation menu for each section of my website?
  95. Add a navigation menu item using MySQL
  96. how to make a walker to this (in bootstrap, i try but not work)
  97. Site navigation sits unstyled for a second on page reload [closed]
  98. Custom navigation / menu output (walker?)
  99. Add featured posts to nav menu
  100. WordPress “add to menu” button not working