Preview image before upload

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

Preview image before upload

<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<form runat="server">
  <input type='file' id="imgInp" />
  <img id="blah" src="#" alt="your image" />
</form>

<script>
function readURL(input) {
  if (input.files && input.files[0]) {
    var reader = new FileReader();
    
    reader.onload = function(e) {
      $('#blah').attr('src', e.target.result);
    }
    
    reader.readAsDataURL(input.files[0]); // convert to base64 string
  }
}

$("#imgInp").change(function() {
  readURL(this);
});
</script>

Source: stackoverflow.com

Similar codes

0 vote389 views1 answer
What is staging environment
Html
0 vote340 views2 answers
Link to middle of page
Html
0 vote359 views1 answer
Npm package private
Html
0 vote328 views1 answer
InlineSVG Error: Content type isn't valid: text/html
Html
4 votes311 views6 answers
Tab content bootstrap 4
Html
5 votes301 views1 answer
Text bold in .md file
Html
0 vote337 views1 answer
How to select multiple elements in vs code mac
Html
0 vote335 views1 answer
How to protect + embed google drive video html5
Html
1 vote350 views2 answers
Salesforce aura toggle input
Html
0 vote326 views1 answer
Readium github
Html