JSFiddle - React, Tailwind, and code Playground
HTML
<input type="file" id="file" >
<canvas id="c" width="500" height="500" >
</canvas>
<img>
JavaScript
var file = document.getElementById( "file"),
canva = document.getElementById( "c" ),
ctx = canva.getContext( "2d" );
file.addEventListener( "change", function ( e ) {
var reader = new FileReader ();
reader.onload = function () {
var img = new Image();
img.onload = function () {
ctx.clearRect( 0, 0, canva.width, canva.height );
ctx.drawImage( this, 0,0, canva.width, canva.height );
}
img.src = reader.result;
};
reader.readAsDataURL( e.target.files [0] );
} );