index.js 685 B

123456789101112131415161718192021222324252627
  1. //监听页面滚动
  2. $(window).scroll(function(event){
  3. let winTop = $(window).scrollTop();
  4. if(winTop>50){
  5. $('.header1-page').addClass('bg')
  6. }else{
  7. $('.header1-page').removeClass('bg')
  8. }
  9. });
  10. var showFullscreenState = false;
  11. function setFullscreenState(){
  12. showFullscreenState = !showFullscreenState;
  13. if(showFullscreenState){
  14. $(window).scrollTop(0);
  15. }
  16. $('.full-screen').css({
  17. 'display': showFullscreenState?'block':'none'
  18. })
  19. $('body').css({
  20. 'overflow': showFullscreenState?'hidden':'auto'
  21. })
  22. $('body').css({
  23. 'position': showFullscreenState?'fixed':'unset'
  24. })
  25. }