/Javascript/jQuery/Jquery fixed element on scroll footer

Jquery fixed element on scroll footer

var socialFloat = document.querySelector('#social-float');
var footer = document.querySelector('#footer');

function checkOffset() {
  function getRectTop(el){
    var rect = el.getBoundingClientRect();
    return rect.top;
  }
  
  if((getRectTop(socialFloat) + document.body.scrollTop) + socialFloat.offsetHeight >= (getRectTop(footer) + document.body.scrollTop) - 10)
    socialFloat.style.position = 'absolute';
  if(document.body.scrollTop + window.innerHeight < (getRectTop(footer) + document.body.scrollTop))
    socialFloat.style.position = 'fixed'; // restore when you scroll up
  
  socialFloat.innerHTML = document.body.scrollTop + window.innerHeight;
}

document.addEventListener("scroll", function(){
  checkOffset();
});

Source: stackoverflow.com

Similar codes

1 vote152 views1 answer
Number validation in jquery
Javascript jQuery
20 votes154 views2 answers
Parsefloat jquery
Javascript jQuery
0 vote150 views1 answer
Jquery iframe use from js style
Javascript jQuery
0 vote159 views1 answer
Capturar el valor de un input con jquery
Javascript jQuery
0 vote144 views1 answer
Jquery debounce
Javascript jQuery
4 votes160 views5 answers
Jquery trigger
Javascript jQuery
0 vote241 views1 answer
Jquery selector immediate child
Javascript jQuery
0 vote183 views1 answer
Jquery datatable draw false
Javascript jQuery
3 votes167 views3 answers
Jquery empty
Javascript jQuery
0 vote148 views1 answer
Jquery modal if clicked outside
Javascript jQuery