Save Image LocalStorage

Salvar imagem em localStorage

by Renilson Meneguci

HTML

<img id="preview1" crossorigin="anonymous" src="http://www.gravatar.com/avatar/0e39d18b89822d1d9871e0d1bc839d06?s=128&d=identicon&r=PG">

JavaScript

function getBase64() {
    var img = document.getElementById("preview1");
    var canvas = document.createElement("canvas");
    canvas.width = img.width;
    canvas.height = img.width;
    var ctx = canvas.getContext("2d");
    ctx.drawImage(img, 0, 0);
    var dataURL = canvas.toDataURL("image/png");
     localStorage.setItem('image', dataURL.replace(/^data:image\/(png|jpg);base64,/, "")); // save image data
}
getBase64();