scroll doesn't work with operations

Question

i have this js code for when user scroll reach 0px of bottom, something happen:

$(window).scroll(function() {
   if($(window).scrollTop() + $(window).height() == $(document).height()) {
    console.log("ok");
      $( ".more" ).trigger( "click" );
   }
});

but when i want that event occurred when user scroll distance of bootm equal to 100px,js code doesn't work, here is that code doesn't work:

$(window).scroll(function() {
    var scroll = ($(document).height())-100;
   if($(window).scrollTop() + $(window).height() == scroll) {
    console.log("ok");
      $( ".more" ).trigger( "click" );
   }
});

Answer 1

Try by updating code as below:

$(window).scroll(function() {
 if($(window).scrollTop() + $(window).height() > $(document).height() - 100) {
   console.log("ok");
   $( ".more" ).trigger( "click" );
 }

});