HTML

load image file from input in html

function onFileSelected(event) {
  var selectedFile = event.target.files[0];
  var reader = new FileReader();

  var imgtag = document.getElementById("myimage");
  imgtag.title = selectedFile.name;

  reader.onload = function(event) {
    imgtag.src = event.target.result;
  };

  reader.readAsDataURL(selectedFile);
}

input file img / input file image

<div class="image-upload">
  <label for="file-input">
    <img src="https://icons.iconarchive.com/icons/dtafalonso/android-lollipop/128/Downloads-icon.png"/>
  </label>

  <input id="file-input" type="file" />
</div>


 // CSS

.image-upload>input {
  display: none;
}