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                <center><link rel="stylesheet" href="" integrity="sha384-SZXxX4whJ79/gErwcOYf+zWLeJdY/qpuqC4cAa9rOGUstPomtqpuNWT9wdPEn2fk" crossorigin="anonymous">				  
<!-- actual upload which is hidden -->
					<input #imageInput  type="file" (change)="incomingfile($event)" id="actual-btn" accept="image/*, .png, .jpg, .jpeg, .pdf" onchange="validateFileType()" hidden/>

					<!-- our custom upload button -->
					<label for="actual-btn">Choose File</label>
					<!-- name of file chosen -->
					<span id="file-chosen">No file chosen</span>
					 <!-- Cancel Button -->
					 <span id="clear" onclick="myFunction()"><i class="fa fa-times"></i></span><center>


                  /* File Choose */
  label {
	background-color: rgb(17, 17, 17);
	color: white;
	display: inline-block;
	width: 7rem;
	height: auto;
	padding: 1rem;
	font-family: sans-serif;
	border-radius: 0.5rem;
	cursor: pointer;
	margin-top: 1rem;

	  color: #00c2ef;
	  border-left: 4px solid #00c2ef;
	margin-left: 0.3rem;
	font-family: sans-serif;
  span i{
padding-left: 1rem;
cursor: pointer;
span i:hover{
	color: red;


                	<!-- Allowed file script start -->
		function validateFileType(){
			var fileName = document.getElementById("actual-btn").value;
			var idxDot = fileName.lastIndexOf(".") + 1;
			var extFile = fileName.substr(idxDot, fileName.length).toLowerCase();
			if (extFile=="jpg" || extFile=="jpeg" || extFile=="png" || extFile=="pdf"){
				//TO DO
				alert("Only jpg, jpeg, png and pdf files are allowed!");

		var fileName = document.getElementById('actual-btn').value.toLowerCase();
if(!fileName.endsWith('.jpeg') && !fileName.endsWith('.jpg') && !fileName.endsWith('.png') && !fileName.endsWith('.pdf')){
    alert('Please upload jpeg, jpg, png, pdf files only.');
    return false;
	<!-- Allowed file script end -->

<!-- file script -->
	const actualBtn = document.getElementById('actual-btn');

const fileChosen = document.getElementById('file-chosen');

actualBtn.addEventListener('change', function(){
  fileChosen.textContent = this.files[0].name

<!-- The `multiple` attribute lets users select multiple files. -->
  const fileSelector = document.getElementById('actual-btn');
  fileSelector.addEventListener('change', (event) => {
    const fileList =;