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Aug 20th, 2019
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  1. > <li class="nav-item"><a class="nav-link active"... ABA1</a></li>
  2.  
  3. $(document).ready(function() {
  4. $("ul li a:first-child").addClass("active");
  5. });
  6.  
  7.  
  8. $(function() {
  9. $("ul li").click(function() {
  10. var idx = $(this).index();
  11. $(this)
  12. .parent()
  13. .find("li a")
  14. .removeClass("active");
  15. $("a", this)
  16. .toggleClass("active");
  17. $("div", "#container")
  18. .removeClass("active")
  19. .eq(idx)
  20. .addClass("active");
  21. });
  22. });
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