JSFiddle - React, Tailwind, and code Playground

HTML

<canvas id="theCanvas" ></canvas>

CSS

body {
    background: green;
}

JavaScript

var src = "/img/[email protected]";
var canvas = document.getElementById("theCanvas");
var ctx = canvas.getContext("2d");
var img = new Image;

//wait for the image to load
img.onload = function() {
    //Draw the original image so that you can fetch the colour data
    ctx.drawImage(img,0,0);
    var imgData = ctx.getImageData(0, 0, canvas.width, canvas.height);
    
    /*
    imgData.data is a one-dimensional array which contains 
    the respective RGBA values for every pixel 
    in the selected region of the context 
    (note i+=4 in the loop)
    */
    
    for (var i = 0; i < imgData.data.length; i+=4) {
			imgData.data[i] = 255; //Red, 0-255
			imgData.data[i+1] = 255; //Green, 0-255
			imgData.data[i+2] = 255; //Blue, 0-255
			/* 
			imgData.data[i+3] contains the alpha value
			which we are going to ignore and leave
			alone with its original value
			*/
    }
    ctx.clearRect(0, 0, canvas.width, canvas.height); //clear the original image
    ctx.putImageData(imgData, 0, 0); //paint the new colorised image
}

//Load the image!
img.src = src;