jquery - Background to Scroll Vertically a Certain Amount -


we've got backgrounds on our site , wondering easiest way stop background scrolling further amount?

so if scroll-y it's infinite in respect how content have. how stop bg scrolling after let's 250px, 100px etc

thanks

i think you'd want this, haven't run code may not perfect, should show technique (may have mixed 'fixed' , 'scroll' bits - should able tell pretty quickly)

$(window).scroll(function(){     var d = $(window).scrolltop();     if(d > 250){         $('#image-div').css('background-attachment', 'fixed');     }else{         $('#image-div').css('background-attachment', 'scroll');     } });

in psuedo code: when window scrolls, grab variable (d) equal screen 'scrolled' amount, if on x amount, attach or release attachment.

its worth adding function fire every time page scrolled, there may methods bit lighter on processor power, they're going little more complicated.


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