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HTML

CSS

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HTML

              
                <div class="container">
  <div class="wrap">
    <h1>Change your avatar</h1>
    <div class="profile">
      <div class="profile__options">
         <label for="upload" onkeydown="handleAriaUpload(event, this)" id="upload_label" title="Upload New File" tabindex="2" class="aria-upload">upload new</label>
        <a class="last-btn btn" tabindex="2" onclick="changeAvatar('last')"
        onkeyup="if(event.keyCode !== 13) return;changeAvatar('last');">
          &larr;
        </a>

        <a class="next-btn btn" tabindex="3" onclick="changeAvatar('next')" onkeyup="if(event.keyCode !== 13) return;changeAvatar('next');">
          &rarr;
        </a>
      </div>
      <div class="avatar" id="avatar">
        <div id="preview"><img src="https://source.unsplash.com/h13Y8vyIXNU/150x150" id="avatar-image" class="avatar_img" id="">
        </div>
        <div class="avatar_upload" >
          <label class="upload_label">Upload
            <input type="file" id="upload">
          </label>
        </div>
      </div>
      <div class="nickname">
        <span id="name" tabindex="4" data-key="1" contenteditable="true" onkeyup="changeAvatarName(event, this.dataset.key, this.textContent)" onblur="changeAvatarName('blur', this.dataset.key, this.textContent)">Walrus</span>
      </div>
    </div>
  </div>
</div>
              
            
!

CSS

              
                body{
  font-family:  'Avenir', serif;
  background: #213;
  margin: 0;
  padding: 0;
}
.container{
  height: 100vh;
  min-height: 350px;
  width: 100vw;
  display: flex;
  align-items:center;
  padding: 0;
  margin: 0;
  flex-wrap: wrap;
}
.wrap{
  width: 100%;
  text-align: center;
}
.wrap h1{
  color: #fff;
}
.profile{
  margin: auto;
  width: 95%;
  max-width: 400px;
  background: #ecf0f2;
  border-radius: 10px;
  padding: 15px 10px 30px 10px;
  position: relative;
/*   border: 1px solid #ccc; */
  box-shadow: 0px 1px 7px rgba(2,2,2,0.2);
}
.profile__options{
  display: flex;
  flex-wrap: nowrap;
  width: 90%;
  margin: auto;
  justify-content: space-between;
  padding-bottom: 10px;
  color: #666;
}
.upload-btn{
  font-size:13px;
  text-transform: uppercase;
  color: #888;
}
#upload_label{
  cursor: pointer;
  position: absolute;
  left: 15px;
  top: 12px;
  font-size: 14px;
}
#upload_label:hover, #upload_label:focus{
  color: #222;
}
.last-btn, .next-btn{
  top: 110px;
  position: relative;
  font-size: 22px;
}
.btn{
  cursor: pointer;
}
.btn:focus,.btn:hover{
  color:rgba(44,105, 1  51, 1);
}
.avatar{
  width: 150px;
  height: 150px;
  border-radius: 100%;
  border: 2px solid #fff;
  margin: 10px auto;
  position: relative;
  overflow: hidden;
  z-index: 2;
  transform: translateZ(0);
  transition: border-color 200ms;
}
.avatar--upload-error{
  border-color: #F73C3C;
  animation: shakeNo 300ms 1 forwards;
}
@keyframes shakeNo{
  20%, 60%{
    transform: translateX(6px);
  }
  40%, 80%{
    transform: translate(-6px);
  }
}
.avatar:hover .avatar_upload, .avatar--hover .avatar_upload{
  opacity: 1;
}
.avatar:hover .upload_label, .avatar--hover .upload_label{
  display: block;
}
#preview::after{
  content: 'Loading...';
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  text-align: center;
  z-index: -1;
  line-height: 150px;
  color: #999;
}
.avatar_img--loading{
  opacity: 0;
}
.avatar_img{
  width: 100%;
  height: auto;
  animation: inPop 250ms 150ms 1 forwards cubic-bezier(0.175, 0.885, 0.32, 1.175);
  transform: scale(0);
  opacity: 0;
}
@keyframes inPop {
  100%{
    transform: scale(1);
    opacity: 1;
  }
}
.avatar_img--rotate90{
  transform: rotate(90deg);
}
.avatar_upload{
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  text-align: center;
  height: 100%;
  background: #25cfe3;
  background: rgba(44,205, 251, 0.6);
  display: flex;
  align-items: center;
  opacity: 0;
  transition: opacity 500ms;
}
.upload_label{
  color: #111;
  text-transform: uppercase;
  font-size: 14px;
  cursor: pointer;
  white-space: nowrap;
  padding: 4px;
  border-radius: 3px;
  min-width: 60px;
  width: 100%;
  max-width: 80px;
  margin: auto;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
  background: #fff;
  animation: popDown 300ms 1 forwards;
  transform: translateY(-10px);
  opacity: 0;
  display: none;
  transition: background 200ms, color 200ms;
}
@keyframes popDown{
  100%{
    transform: translateY(0);
    opacity: 1;
  }
}
.upload_label:hover{
  color: #fff;
  background: #222;
}
#upload{
  width: 100%;
  opacity: 0;
  height: 0;
  overflow: hidden;
  display: block;
  padding: 0;
  text-align: center;
}
.nickname{
  text-align: center;
  font-weight: 400;
  font-size: 20px;
  color: #666;
  position: relative;
}
#name:hover{
  outline: lightblue auto 5px;
  outline: -webkit-focus-ring-color auto 5px;
  
}
              
            
!

JS

              
                var upload = document.getElementById("upload");
var preview = document.getElementById("preview");
var avatar = document.getElementById("avatar");
var avatar_name = document.getElementById("name");
var avatar_name_change_box =
document.getElementById("change-name-box");

var avatars = {
  srcList: [
    {
      name: "Cosmos",
      src: encodeURIComponent("https://source.unsplash.com/rTZW4f02zY8/150x150")
    },
    {
      name: "Walrus",
      src: encodeURIComponent("https://source.unsplash.com/h13Y8vyIXNU/150x150")
    },
     {
      name: "Flowers",
      src: encodeURIComponent("https://source.unsplash.com/PwWkzeJeJZE/150x150")
    },
    {
      name: "Dog",
      src: encodeURIComponent("https://source.unsplash.com/oCJuJQqvCzc/150x150")
    }
  ],
  activeKey: 1,
  add: function(_name, _src){
    this.activeKey = this.srcList.length;
    return (this.srcList.push({name: _name, src: encodeURIComponent(_src)}) - 1);
  },
  changeName: function(key, _name) {
    
    if ( !Number.isInteger(key) ) {
      return false;
    }
    this.srcList[key].name = _name;
    if ( avatar_name.dataset.key == key)
    {
      avatar_name.textContent = _name;  
    }
    return _name;
  },
  showNext: function(){
    
    var _next = this.activeKey + 1;
    if ( _next >= this.srcList.length ) {
      _next = 0;
    }
    this.showByKey(_next);
    
  },
  showLast: function(){
    var _next = this.activeKey - 1;
    if ( _next < 0 ) {
      _next = this.srcList.length - 1;
    }
    this.showByKey(_next);
  },
  showByKey: function(_next) {
    var _on = this.srcList[_next];
    if ( !_on.name ) return;
    
    while(preview.firstChild) {
      preview.removeChild(preview.firstChild);
    }
    
    var img = document.createElement("img");
    img.src = decodeURIComponent(_on.src);
    img.className = "avatar_img--loading";
    img.onload = function() {
      img.classList.add("avatar_img");
    }
    avatar_name.textContent = _on.name;
    avatar_name.setAttribute("data-key", _next);
    preview.appendChild(img);
    this.activeKey = _next;
  }
};

function showAvatar(key) {
  if ( !key ) {
    key = avatars.activeKey;
  }
  
}

/*

/** Handle uploading of files */
upload.addEventListener("change", handleFiles, false);
function handleFiles() {
  var files = this.files;
  for (var i = 0; i < files.length; i++) {
    var file = files[i];
    var imageType = /^image\//;
    
    if (!imageType.test(file.type)) {
      avatar.classList.add("avatar--upload-error");
      setTimeout(function(){
        avatar.classList.remove("avatar--upload-error");
      },1200);
      continue;
    }
    
    avatar.classList.remove("avatar--upload-error");
    
    while(preview.firstChild) {
      preview.removeChild(preview.firstChild);
    }
    
    var img = document.createElement("img");
    img.file = file;
    img.src = window.URL.createObjectURL(file);
    img.onload = function() {
      // window.URL.revokeObjectURL(this.src);
    }
    img.className ="avatar_img";
    
    /* Clear focus and any text editing mode */
    document.activeElement.blur();
    window.getSelection().removeAllRanges();
    
    var _avatarKey = avatars.add(file.name, img.src);
    avatar_name.textContent = file.name;
    avatar_name.setAttribute("data-key", _avatarKey);
    preview.appendChild(img);
  }
}

/** Inline functions */
window.changeAvatarName = function(event, key, name) {
  if (event.keyCode != 13 && event != 'blur') return;
  key = parseInt(key);
  if ( !name ) return;
  var change = avatars.changeName(key, name);
  document.activeElement.blur();
  // remove selection abilities
  window.getSelection().removeAllRanges();
    
};

window.changeAvatar = function(dir){
  if ( dir === 'next' ) {
    avatars.showNext();
  }
  else {
    avatars.showLast();
  }
};
window.handleAriaUpload = function(e, obj) {
  if(e.keyCode == 13) {
    obj.click();
  }
};


              
            
!
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