72 lines
2.8 KiB
JavaScript
72 lines
2.8 KiB
JavaScript
if(screen.width <= 980){
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let navTop = $(".pull-item").offset().top-70;
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let abstractTop = $(".abstract-bg").offset().top-129;
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let speechTop = $(".speech-bg").offset().top-129;
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let teamTop = $(".team-bg").offset().top-129;
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let organizationTop = $(".organization-bg").offset().top-129;
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let memorabiliaTop = $(".memorabilia-bg").offset().top-129;
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$(window).bind("scroll",function(){
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let topScroll=$(this).scrollTop();//当前窗口的滚动距离
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if(topScroll > navTop){
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$(".pull-item").addClass("pull-item-fixed")
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}else{
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$(".pull-item").removeClass("pull-item-fixed")
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}
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if(topScroll > abstractTop){
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$(".pull-item li").removeClass("cur");
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$(".abstract-btn").addClass("cur");
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}
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if(topScroll > abstractTop & topScroll > speechTop){
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$(".pull-item li").removeClass("cur");
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$(".speech-btn").addClass("cur");
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}
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if(topScroll > abstractTop & topScroll > speechTop & topScroll > teamTop){
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$(".pull-item li").removeClass("cur");
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$(".team-btn").addClass("cur");
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}
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if(topScroll > abstractTop & topScroll > speechTop & topScroll > teamTop & topScroll > organizationTop){
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$(".pull-item li").removeClass("cur");
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$(".organization-btn").addClass("cur");
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}
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if(topScroll > abstractTop & topScroll > speechTop & topScroll > teamTop & topScroll > organizationTop & topScroll > memorabiliaTop){
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$(".pull-item li").removeClass("cur");
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$(".memorabilia-btn").addClass("cur");
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}
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});
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}else{
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let navTop = $(".pull-item").offset().top-90;
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let abstractTop = $(".abstract-bg").offset().top-149;
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let speechTop = $(".speech-bg").offset().top-149;
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let teamTop = $(".team-bg").offset().top-149;
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let organizationTop = $(".organization-bg").offset().top-149;
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let memorabiliaTop = $(".memorabilia-bg").offset().top-149;
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$(window).bind("scroll",function(){
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let topScroll=$(this).scrollTop();//当前窗口的滚动距离
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if(topScroll > navTop){
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$(".pull-item").addClass("pull-item-fixed")
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}else{
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$(".pull-item").removeClass("pull-item-fixed")
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}
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if(topScroll > abstractTop){
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$(".pull-item li").removeClass("cur");
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$(".abstract-btn").addClass("cur");
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}
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if(topScroll > abstractTop & topScroll > speechTop){
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$(".pull-item li").removeClass("cur");
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$(".speech-btn").addClass("cur");
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}
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if(topScroll > abstractTop & topScroll > speechTop & topScroll > teamTop){
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$(".pull-item li").removeClass("cur");
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$(".team-btn").addClass("cur");
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}
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if(topScroll > abstractTop & topScroll > speechTop & topScroll > teamTop & topScroll > organizationTop){
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$(".pull-item li").removeClass("cur");
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$(".organization-btn").addClass("cur");
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}
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if(topScroll > abstractTop & topScroll > speechTop & topScroll > teamTop & topScroll > organizationTop & topScroll > memorabiliaTop){
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$(".pull-item li").removeClass("cur");
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$(".memorabilia-btn").addClass("cur");
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}
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});
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}; |