scroll - jQuery - Run a function when user has scrolled up 100px from current location -


i trying run function once user has scrolled 100px , function when scroll down (any number of pixels) there current location. if user scrolls half way down page , starts scroll need function run once have scrolled 100px current stored scrolltop value.

if user 700px down page , started scroll need function run when hit 600px. should dynamic ever user down page.

as starting point have:

var lastscrolltop = 0;  $(window).scroll(function(event){     var st = $(this).scrolltop();      if (st > lastscrolltop){         // scrolling down     } else {         // scrolling     }     lastscrolltop = st; });

thanks

jsfiddle(http:/jsfiddle.net/nick_craver/gwd66/1/)

try link. may helpful you

use code

 <script type="text/javascript"> var position = $(window).scrolltop(); $(window).scroll(function() {     var scroll = $(window).scrolltop();     if(scroll > position) {       movecardownward(scroll);  // $('#status').html('going down!');     } else {        movecarupward(scroll);  //$('#status').html('going up!');     }     position = scroll; });

one link 1 in javascript link


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