javascript - Window pushstate, refreshing on back/forward button -


i'm trying page refresh or load whatever data there previously.

i have:

//category select function selectchange(){     $('#sort_by_select').on('change', function(event) {          var val = $(this).val();          $('#scene_content').html('');          if (val == 'categories'){             loadgamescategories();         } else if(val == 'az'){             push_url = '?sort=a-z';             window.history.pushstate({page: this.href}, 'games', push_url);             loadgamesaz();         }else{             loadgamescategories();         }     }); }

in php, have set load correct script based on 'sort' variable above. works if refresh page. want people able click on browser , loads previous data.

if explain or show me example, amazing.

thanks!


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