Tuesday, June 4, 2019

simple thanos effect by javascript and css

Hello.

Here I present simple thanos effect code. Only css and simple javascript are use to  make this effect. Copy and paste whole html code for see result.

<!DOCTYPE html>
<html>
<head>
<title></title>
<style>
body {
  font-size: 16px;
}

.btn,
.block {
  text-align: center;
  border: 1px solid transparent;
}

.btn {
  margin: 8px auto;
  padding: 6px 12px;
  background-color: #5bc0de;
  color: white;
  display: inline-block;
  border-radius: 3px;
  cursor: pointer;
}

.btn:hover {
  background-color: #1490ac;
}

.block {
  width: 440px;
  height: 200px;
  border-color: #cfd8dc;
  border-radius: 8px;
  box-shadow: none;
  padding: 12px;
  line-height: 40px;
}

.div-hidden {
  transition: opacity 1.75s ease 0s;
  opacity: 0;
  visibility: hidden;
}

.div-show {
  transition: opacity 1.5s ease 0s;
  opacity: 1;
  visibility: visible;
}

.block-container {
  position: relative;
  margin: 8px 0;
}

.div-overlay {
  position: absolute;
  top: 0;
  animation-iteration-count: 1;
  animation-duration: 1.5s;
  visibility: hidden;
}

.div-overlay-left {
  animation-name: slide-left;
}

.div-overlay-right {
  animation-name: slide-right;
}

@keyframes slide-left {
  from {
    left: 0;
    opacity: 1;
    visibility: visible;
  }
  to {
    left: -30px;
    opacity: 0;
  }
}

@keyframes slide-right {
  from {
    left: 0;
    opacity: 1;
    visibility: visible;
  }
  to {
    left: 30px;
    opacity: 0;
  }
}

</style>
</head>
<body>

<div class="block-container">
  <div id="block" class="div-show block-main">
    <div class="block">
      A naive implementation on Google's Thanos effect (Mobile version)
      <br>
      No jQuery or other libaray used
      <br>
      Good bye, the cruel world
      <br>
      Hello, the new world
    </div>
    <button type="button" class="btn" onclick="onBtnClick();" id="btn">Thanos This</button>
  </div>
  <div id="overlay"></div>
</div>
<script type="text/javascript">
function classHas(base, has) {
  const arr = base.split(" ")
  for (let i = 0; i < arr.length; i++) {
    if (arr[i] === has) 
      return true;
  }
}

function classReplace(base, replace, next) {
  return base.replace(replace, next)
}

function onBtnClick() {
  const block = document.getElementById("block");
  const btn = document.getElementById("btn");
  const overlay = document.getElementById("overlay");

  if (classHas(block.className, "div-show")) {
    block.className = classReplace(block.className, "div-show", "div-hidden")
    //btn.innerHTML = "Show"
    const content = block.innerHTML;
    overlay.innerHTML = "<div class=\"div-overlay div-overlay-left\">" + content + "</div>" + "<div class=\"div-overlay div-overlay-right\">" + content + "</div>";
  } else {
    /*block.className = classReplace(block.className, "div-hidden", "div-show")
    btn.innerHTML = "Snap"
    overlay.innerHTML = null;*/
  }
}

</script>
</body>
</html>
I will put real thanos effect in a short time.

Demo:-

A naive implementation on Google's Thanos effect (Mobile version)
No jQuery or other libaray used
Good bye, the cruel world
Hello, the new world
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