Question 267218 in Html Question posted in
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Html – How to make a back-to-top button that only appears if I scroll down a bit on my page?

I know how to make a back to top button, but how do I only make it appear once I scroll down slightly. Does anyone know how to make this happen? ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍
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3

Answers


  1. 0

    Here is one solution you can try.

    window.onscroll = function() {scrollFunction()};

function scrollFunction() {
  const backToTopBtn = document.getElementById("backToTopBtn");
  if (document.body.scrollTop > 20 || document.documentElement.scrollTop > 20) {
    backToTopBtn.classList.add("show");
  } else {
    backToTopBtn.classList.remove("show");
  }
}

function scrollToTop() {
  document.body.scrollTop = 0;
  document.documentElement.scrollTop = 0;
}
    #backToTopBtn {
  display: none;
  position: fixed;
  bottom: 20px;
  right: 20px;
  opacity: 0;
  transition: opacity 0.3s ease-in-out;
}

#backToTopBtn.show {
  display: block;
  opacity: 1;
}
    <button id="backToTopBtn" onclick="scrollToTop()">Back to Top</button>
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  2. 0

    try this one

    let go_to_top = document.querySelector(".go-top");

// functions occure win scrolliong 
window.onscroll= function(){
      if(scrollY<=520){
        go_to_top.style.display="none";
      }
      else {
        go_to_top.style.display="flex";
      }
}
//go to top 
function go_top(){
  window.scrollTo(0,0);
}
      <div class="go-top" onclick="go_top()">
      <i class="fa-solid fa-arrow-up"></i>
   </div>
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  3. 0

    CSS:

    #scrollTop {
    display: none;
    position: fixed;
    cursor: pointer;
    transition: 1s;
    text-decoration: none;
    background-color: green;
}

#scrollTop:hover {
    transition: 1s;
    background-color: lightgreen;
}

#scrollTop:active {
    background-color: greenyellow;
}

    JS:

    var scrollTop = document.getElementById("scrollTop");

window.onscroll = function(){
    scrollfunction()
};
function scrollfunction(){
    if( document.body.scrollTop > 20 || document.documentElement.scrollTop > 20){
        scrollTop.style.display = "block";
    } else {
        scrollTop.style.display = "none";
    }
}

scrollTop.addEventListener("click", function(){
    window.scrollTo({
        left: 0,
        top: 0,
        behavior: "smooth"
    })
})

    HTML:

    <body>
  <div class="content">
      your content here
  </div>
</body>

<button id="scrollTop">
   <i class=""></i>
</button>
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