/Javascript/jQuery/Image preview before upload jquery

Image preview before upload jquery

Preview image file upload javascript

<input type="file" accept="image/*" onchange="loadFile(event)">
<img id="output"/>
<script>
  var loadFile = function(event) {
    var output = document.getElementById('output');
    output.src = URL.createObjectURL(event.target.files[0]);
    output.onload = function() {
      URL.revokeObjectURL(output.src) // free memory
    }
  };
</script>

Source: stackoverflow.com

How to display image before upload in jhtml

function display(input) {
   if (input.files && input.files[0]) {
      var reader = new FileReader();
      reader.onload = function(event) {
         $('#myid').attr('src', event.target.result);
      }
      reader.readAsDataURL(input.files[0]);
   }
}

$("#demo").change(function() {
   display(this);
});

Source: tutorialspoint.com

Jquery preload images

// Image proeloading with jQuery
$.fn.preload = function() {
    this.each(function(){
        $('<img/>')[0].src = this;
    });
}

// Usage:

$(['img1.jpg','img2.jpg','img3.jpg']).preload();

Source: codeddesign.org

Image preview before upload jquery

// <input type="file" accept="image/*" id="img-input">
// <img id="preview"/>
function readURL(input) {
      if (input.files && input.files[0]) {
          var reader = new FileReader();
          reader.onload = function(e) {
          $('#preview').attr('src', e.target.result);
          }
          reader.readAsDataURL(input.files[0]);
      } else {
          $('#preview').attr('src', '');
      }
    }

  $("#img-input").change(function() {
    readURL(this);
  });

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